1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.291 2010/03/10 21:25:50 droeschl Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: #use HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: if ($env{'request.role.adv'}) { return 1; }
53: if (defined($status) &&
54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
55: || $status eq 'OPEN')) {
56: return 0;
57: }
58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
59: if (defined($close) && $close ne '' && $close < time) {
60: return 0;
61: }
62: return 1;
63: }
64:
65: sub discussion_visible {
66: my ($status)=@_;
67: if (not &discussion_open($status)) {
68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
70: if (!$env{'request.role.adv'}) { return 0; }
71: }
72: }
73: return 1;
74: }
75:
76: sub list_discussion {
77: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
78: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
79: unless ($ressymb) { return ''; }
80: $ressymb=&wrap_symb($ressymb);
81: my $outputtarget=$env{'form.grade_target'};
82: if (defined($env{'form.export'})) {
83: if($env{'form.export'}) {
84: $outputtarget = 'export';
85: }
86: }
87: if (defined($imsextras)) {
88: if ($$imsextras{'caller'} eq 'imsexport') {
89: $outputtarget = 'export';
90: }
91: }
92: if (not &discussion_visible($status)) {
93: if ($mode ne 'board') {
94: &Apache::lonenc::check_encrypt(\$ressymb);
95: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
96: }
97: }
98: if ($group ne '' && $mode eq 'board') {
99: if (&check_group_priv($group,'vgb') ne 'ok') {
100: return '';
101: }
102: }
103:
104: my ($blocked,$blocktext) =
105: &Apache::loncommon::blocking_status('boards');
106: if ($blocked) {
107: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
108: &Apache::lonenc::check_encrypt(\$ressymb);
109: if ($mode ne 'board') {
110: $blocktext.=&send_message_link($ressymb).'</div>';
111: }else{
112: $blocktext.="</div>";
113: }
114: return $blocktext;
115: }
116:
117: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
118: my $discussiononly=0;
119: if ($mode eq 'board') { $discussiononly=1; }
120: unless ($env{'request.course.id'}) { return ''; }
121: my $crs='/'.$env{'request.course.id'};
122: my $cid=$env{'request.course.id'};
123: if ($env{'request.course.sec'}) {
124: $crs.='_'.$env{'request.course.sec'};
125: }
126: $crs=~s/\_/\//g;
127: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
128: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
129: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
130:
131: my %usernamesort = ();
132: my %namesort =();
133: my %subjectsort = ();
134:
135: # Get discussion display settings for this discussion
136: my $lastkey = $ressymb.'_lastread';
137: my $showkey = $ressymb.'_showonlyunread';
138: my $markkey = $ressymb.'_showonlyunmark',
139: my $visitkey = $ressymb.'_visit';
140: my $ondispkey = $ressymb.'_markondisp';
141: my $userpickkey = $ressymb.'_userpick';
142: my $toggkey = $ressymb.'_readtoggle';
143: my $readkey = $ressymb.'_read';
144: $ressymb=$encsymb;
145: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
146: my %discinfo = ();
147: my $showonlyunread = 0;
148: my $showunmark = 0;
149: my $markondisp = 0;
150: my $prevread = 0;
151: my $previous = 0;
152: my $visit = 0;
153: my $newpostsflag = 0;
154: my @posters = split(/\&/,$dischash{$userpickkey});
155:
156: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
157: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
158: my $sortposts = $env{'form.sortposts'};
159: my $statusfilter = $env{'form.statusfilter'};
160: my @sectionpick = split(/,/,$env{'form.sectionpick'});
161: my @grouppick = split(/,/,$env{'form.grouppick'});
162: my @rolefilter = split(/,/,$env{'form.rolefilter'});
163:
164: my $totposters = $env{'form.totposters'};
165: $previous = $env{'form.previous'};
166: if ($previous > 0) {
167: $prevread = $previous;
168: } elsif (defined($dischash{$lastkey})) {
169: unless ($dischash{$lastkey} eq '') {
170: $prevread = $dischash{$lastkey};
171: }
172: }
173:
174: my $cdom = $env{'course.'.$cid.'.domain'};
175: my $cnum = $env{'course.'.$cid.'.num'};
176: my $crstype = &Apache::loncommon::course_type();
177:
178: # Get information about students and non-students in course for filtering display of posts
179: my %roleshash = ();
180: my %roleinfo = ();
181: my ($classgroups,$studentgroups);
182: if ($env{'form.rolefilter'}) {
183: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
184: foreach my $rolekey (keys(%roleshash)) {
185: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
186: if ($role =~ /^cr/) {
187: $role = 'cr';
188: }
189: my ($end,$start) = split(/:/,$roleshash{$rolekey});
190: my $now = time;
191: my $status = 'Active';
192: if (($now < $start) || ($end > 0 && $now > $end)) {
193: $status = 'Expired';
194: }
195: if ($uname && $udom) {
196: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
197: }
198: }
199: my ($classlist,$keylist) =
200: &Apache::loncoursedata::get_classlist($cdom,$cnum);
201: my $sec_index = &Apache::loncoursedata::CL_SECTION();
202: my $status_index = &Apache::loncoursedata::CL_STATUS();
203: while (my ($student,$data) = each %$classlist) {
204: my ($section,$status) = ($data->[$sec_index],
205: $data->[$status_index]);
206: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
207: }
208: ($classgroups,$studentgroups) =
209: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
210: $cdom,$cnum);
211: }
212:
213: # Get discussion display default settings for user
214: if ($env{'environment.discdisplay'} eq 'unread') {
215: $showonlyunread = 1;
216: }
217: if ($env{'environment.discmarkread'} eq 'ondisp') {
218: $markondisp = 1;
219: }
220:
221: # Override user's default if user specified display setting for this discussion
222: if (defined($dischash{$ondispkey})) {
223: unless ($dischash{$ondispkey} eq '') {
224: $markondisp = $dischash{$ondispkey};
225: }
226: }
227: if ($markondisp) {
228: $discinfo{$lastkey} = time;
229: }
230:
231: if (defined($dischash{$showkey})) {
232: unless ($dischash{$showkey} eq '') {
233: $showonlyunread = $dischash{$showkey};
234: }
235: }
236:
237: if (defined($dischash{$markkey})) {
238: unless ($dischash{$markkey} eq '') {
239: $showunmark = $dischash{$markkey};
240: }
241: }
242:
243: if (defined($dischash{$visitkey})) {
244: unless ($dischash{$visitkey} eq '') {
245: $visit = $dischash{$visitkey};
246: }
247: }
248: $visit ++;
249:
250: my $seeid;
251: if (($group ne '') && ($mode eq 'board') &&
252: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
253: if (&check_group_priv($group,'dgp') eq 'ok') {
254: $seeid = 1;
255: }
256: } else {
257: $seeid=&Apache::lonnet::allowed('rin',$crs);
258: }
259: my @discussionitems=();
260: my %shown = ();
261: my @posteridentity=();
262:
263: my $current=0;
264: my $visible=0;
265: my @depth=();
266: my @replies = ();
267: my %alldiscussion=();
268: my %imsitems=();
269: my %imsfiles=();
270: my %notshown = ();
271: my %newitem = ();
272: my $maxdepth=0;
273: my %anonhash=();
274: my $anoncnt=0;
275: my $target='';
276:
277: my $now = time;
278: $discinfo{$visitkey} = $visit;
279:
280: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
281: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
282:
283: my $discussion='';
284: my $manifestfile;
285: my $manifestok=0;
286: my $tempexport;
287: my $imsresources;
288: my $copyresult;
289:
290: my $function = &Apache::loncommon::get_users_function();
291: my $color = &Apache::loncommon::designparm($function.'.tabbg',
292: $env{'user.domain'});
293: my %lt = &Apache::lonlocal::texthash(
294: 'cuse' => 'Current discussion settings',
295: 'allposts' => 'All posts',
296: 'unread' => 'New posts only',
297: 'unmark' => 'Unread only',
298: 'ondisp' => 'Once displayed',
299: 'onmark' => 'Once marked not NEW',
300: 'toggoff' => 'Off',
301: 'toggon' => 'On',
302: 'disa' => 'Posts to be displayed',
303: 'npce' => 'Posts cease to be marked "NEW"',
304: 'epcb' => 'Each post can be toggled read/unread',
305: 'chgt' => 'Change',
306: 'disp' => 'Display',
307: 'nolo' => 'Not new',
308: 'togg' => 'Toggle read/unread',
309: 'aner' => 'An error occurred opening the manifest file.',
310: 'difo' => 'Discussion for',
311: 'aerr' => 'An error occurred opening the export file for posting',
312: 'aysu' => 'Are you sure you want to delete this post?',
313: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
314: 'bwco' => 'but will continue to be visible to your instructor',
315: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
316: );
317:
318: my $currdisp = $lt{'allposts'};
319: my $currmark = $lt{'onmark'};
320: my $currtogg = $lt{'toggoff'};
321: my $dispchange = $lt{'unread'};
322: my $markchange = $lt{'ondisp'};
323: my $toggchange = $lt{'toggon'};
324: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
325: my $displinkA = 'onlyunread';
326: my $displinkB = 'onlyunmark';
327: my $marklink = 'markondisp';
328: my $togglink = 'toggon';
329:
330: if ($markondisp) {
331: $currmark = $lt{'ondisp'};
332: $markchange = $lt{'onmark'};
333: $marklink = 'markonread';
334: }
335:
336: if ($showonlyunread) {
337: $currdisp = $lt{'unread'};
338: $dispchange = $lt{'allposts'};
339: $displinkA = 'allposts';
340: }
341:
342: if ($showunmark) {
343: $currdisp = $lt{'unmark'};
344: $dispchange = $lt{'unmark'};
345: $displinkA='allposts';
346: $displinkB='onlyunread';
347: $showonlyunread = 0;
348: }
349:
350: if ($dischash{$toggkey}) {
351: $currtogg = $lt{'toggon'};
352: $toggchange = $lt{'toggoff'};
353: $togglink = 'toggoff';
354: }
355:
356: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
357:
358: if ($newpostsflag) {
359: $chglink .= '&previous='.$prevread;
360: }
361: $chglink.=&group_args($group);
362:
363: if ($visible) {
364: # Print the discusssion
365: if ($outputtarget eq 'tex') {
366: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
367: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
368: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
369: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
370: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
371: } elsif ($outputtarget eq 'export') {
372: # Create temporary directory if this is an export
373: my $now = time;
374: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
375: $tempexport = $$imsextras{'tempexport'};
376: if (!-e $tempexport) {
377: mkdir($tempexport,0700);
378: }
379: $tempexport .= '/'.$$imsextras{'count'};
380: if (!-e $tempexport) {
381: mkdir($tempexport,0700);
382: }
383: } else {
384: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
385: if (!-e $tempexport) {
386: mkdir($tempexport,0700);
387: }
388: $tempexport .= '/'.$now;
389: if (!-e $tempexport) {
390: mkdir($tempexport,0700);
391: }
392: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
393: }
394: if (!-e $tempexport) {
395: mkdir($tempexport,0700);
396: }
397: # open manifest file
398: my $manifest = '/imsmanifest.xml';
399: my $manifestfilename = $tempexport.$manifest;
400: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
401: $manifestok=1;
402: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
403: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
404: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
405: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
406: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
407: <organizations default="$ressymb">
408: <organization identifier="$ressymb">
409: <title>$lt{'difo'} $ressymb</title>\n|;
410: } else {
411: $discussion .= $lt{'aner'}.'<br />';
412: }
413: } else {
414: my $colspan=$maxdepth+1;
415: #JW
416: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
417: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
418: var symbparm = symb+':::'+idx
419: var prevparm = ""
420: if (newflag == 1) {
421: prevparm = "&previous="+previous
422: }
423: if (caller == 'studentdelete') {
424: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
425: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
426: }
427: } else {
428: if (caller == 'seeiddelete') {
429: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
430: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
431: }
432: }
433: }
434: }
435: |);
436: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
437: "\n".'<table class="LC_discussion">';
438: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
439: $newpostsflag,$group,
440: $prevread,$markondisp);
441: my $escsymb=&escape($ressymb);
442: my $numhidden = keys(%notshown);
443: if ($numhidden > 0) {
444: my $colspan = $maxdepth+1;
445: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
446: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
447: if ($newpostsflag) {
448: $discussion .= '&previous='.$prevread;
449: }
450: $discussion .= &group_args($group);
451: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
452: $numhidden.' ';
453: if ($showunmark) {
454: $discussion .= &mt('posts previously marked read');
455: } else {
456: $discussion .= &mt('previously viewed posts');
457: }
458: $discussion .= '<br/></td></tr>';
459: }
460: }
461:
462: # Choose sort mechanism
463: my @showposts = ();
464: if ($sortposts eq 'descdate') {
465: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
466: } elsif ($sortposts eq 'thread') {
467: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
468: } elsif ($sortposts eq 'subject') {
469: foreach my $key (sort(keys(%subjectsort))) {
470: push(@showposts, @{$subjectsort{$key}});
471: }
472: } elsif ($sortposts eq 'username') {
473: foreach my $domain (sort(keys(%usernamesort))) {
474: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
475: push(@showposts, @{$usernamesort{$domain}{$key}});
476: }
477: }
478: } elsif ($sortposts eq 'lastfirst') {
479: foreach my $last (sort(keys(%namesort))) {
480: foreach my $key (sort(keys(%{$namesort{$last}}))) {
481: push(@showposts, @{$namesort{$last}{$key}});
482: }
483: }
484: } else {
485: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
486: }
487: my $currdepth = 0;
488: my $firstidx = $alldiscussion{$showposts[0]};
489: foreach my $post (@showposts) {
490: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
491: $alldiscussion{$post} = $post;
492: }
493: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
494: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
495: $discussion.="\n<tr>";
496: }
497: my $thisdepth=$depth[$alldiscussion{$post}];
498: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
499: for (1..$thisdepth) {
500: $discussion.='<td> </td>';
501: }
502: }
503: my $colspan=$maxdepth-$thisdepth+1;
504: if ($outputtarget eq 'tex') {
505: #cleanup block
506: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
507: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
508: my $threadinsert='';
509: if ($thisdepth > 0) {
510: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
511: }
512: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
513: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
514: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
515:
516: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
517: $discussion.=$discussionitems[$alldiscussion{$post}];
518: } elsif ($outputtarget eq 'export') {
519: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
520: if ($manifestok) {
521: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
522: print $manifestfile ' </item>'."\n";
523: }
524: $currdepth = $depth[$alldiscussion{$post}];
525: print $manifestfile "\n".
526: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
527: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
528: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
529: $imsresources .= "\n".
530: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
531: '<file href="'.$postfilename.'">'."\n".
532: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
533: '</resource>';
534: }
535: my $postingfile;
536: my $postingfilename = $tempexport.'/'.$postfilename;
537: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
538: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
539: $imsitems{$alldiscussion{$post}}{'title'}.' '.
540: $imsitems{$alldiscussion{$post}}{'sender'}.
541: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
542: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
543: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
544: close($postingfile);
545: } else {
546: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
547: }
548: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
549: } else {
550: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
551: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
552: '</td></tr>';
553: }
554: }
555: }
556: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
557: my $colspan=$maxdepth+1;
558: $discussion .= <<END;
559: <tr bgcolor="#FFFFFF">
560: <td colspan="$colspan" class="LC_disc_action_links_bar">
561: <table class="LC_disc_action_table">
562: <tr>
563: <td align="left">
564: <table border="0" cellpadding="0" cellspacing="4">
565: <tr>
566: <td>
567: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
568: <td> </td>
569: <td><font size="-1">
570: END
571: if ($newpostsflag) {
572: $discussion .=
573: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
574: if ($dischash{$toggkey}) {
575: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
576: }
577: } else {
578: if ($dischash{$toggkey}) {
579: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
580: } else {
581: $discussion .=
582: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
583: }
584: }
585: $discussion .= <<END;
586: </font></td>
587: <td> </td>
588: <td align="left">
589: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
590: </td>
591: </tr>
592: </table>
593: </td>
594: END
595: if ($sortposts) {
596: my %sort_types = ();
597: my %role_types = ();
598: my %status_types = ();
599: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
600:
601: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
602: if (defined($env{'form.totposters'})) {
603: $discussion .= &mt('Posts by').':';
604: if ($totposters > 0) {
605: foreach my $poster (@posters) {
606: $discussion .= ' '.$poster.',';
607: }
608: $discussion =~ s/,$//;
609: } else {
610: $discussion .= &mt('None selected');
611: }
612: } else {
613: my $filterchoice ='';
614: if (@sectionpick > 0) {
615: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
616: $filterchoice .= ' ';
617: }
618: if (@grouppick > 0) {
619: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
620: $filterchoice .= ' ';
621: }
622: if (@rolefilter > 0) {
623: $filterchoice .= '<i>'.&mt('roles').'</i>-';
624: foreach my $role (@rolefilter) {
625: $filterchoice .= ' '.$role_types{$role}.',';
626: }
627: $filterchoice =~ s/,$//;
628: $filterchoice .= '<br />'.(' ' x8);
629: }
630: if ($statusfilter) {
631: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
632: }
633: if ($filterchoice) {
634: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
635: }
636: $discussion .= '</font></td>';
637: }
638: }
639: if ($dischash{$toggkey}) {
640: my $storebutton = &mt('Save read/unread changes');
641: $discussion.='<td align="right">'.
642: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
643: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
644: ' onclick="this.form.submit();" />'."\n".
645: '</td>';
646: }
647: $discussion .= (<<END);
648: </tr>
649: </table>
650: </td>
651: </tr>
652: END
653: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
654: $newpostsflag,$group,
655: $prevread,$markondisp);
656: $discussion .= "
657: </table>
658: <br /><br /></form>\n";
659: }
660: if ($outputtarget eq 'export') {
661: if ($manifestok) {
662: while ($currdepth > 0) {
663: print $manifestfile " </item>\n";
664: $currdepth --;
665: }
666: print $manifestfile qq|
667: </organization>
668: </organizations>
669: <resources>
670: $imsresources
671: </resources>
672: </manifest>
673: |;
674: close($manifestfile);
675: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
676: $discussion = $copyresult;
677: } else {
678:
679: #Create zip file in prtspool
680:
681: my $imszipfile = '/prtspool/'.
682: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
683: time.'_'.rand(1000000000).'.zip';
684: my $cwd = &getcwd();
685: my $imszip = '/home/httpd/'.$imszipfile;
686: chdir $tempexport;
687: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
688: close(OUTPUT);
689: chdir $cwd;
690: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
691: if ($copyresult) {
692: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
693: }
694: }
695: } else {
696: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />';
697: }
698: return $discussion;
699: }
700: }
701: if ($discussiononly) {
702: my $now = time;
703: my $attachnum = 0;
704: my $currnewattach = [];
705: my $currdelold = [];
706: my $comment = '';
707: my $subject = '';
708: if ($env{'form.origpage'}) {
709: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
710: $subject = &unescape($env{'form.subject'});
711: $comment = &unescape($env{'form.comment'});
712: my @keepold = ();
713: &process_attachments($currnewattach,$currdelold,\@keepold);
714: if (@{$currnewattach} > 0) {
715: $attachnum += @{$currnewattach};
716: }
717: }
718: if (&discussion_open($status)) {
719: if (($group ne '') && ($mode eq 'board')) {
720: if (&check_group_priv($group,'pgd') eq 'ok') {
721: $discussion .=
722: &postingform_display($mode,$ressymb,$now,$subject,
723: $comment,$outputtarget,$attachnum,
724: $currnewattach,$currdelold,
725: $group,$crstype);
726: }
727: } else {
728: $discussion.=
729: &postingform_display($mode,$ressymb,$now,$subject,
730: $comment,$outputtarget,$attachnum,
731: $currnewattach,$currdelold,'',$crstype);
732: }
733: }
734: } else {
735: $discussion.='<div class="LC_feedback_link">';
736: if (&discussion_open($status) &&
737: &Apache::lonnet::allowed('pch',
738: $env{'request.course.id'}.
739: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
740: if ($outputtarget ne 'tex') {
741: $discussion.= &send_feedback_link($ressymb,$target);
742: }
743: }
744: if ($outputtarget ne 'tex') {
745: $discussion.= &send_message_link($ressymb);
746: }
747: $discussion.='</div>';
748: }
749: return $discussion;
750: }
751:
752: sub send_feedback_link {
753: my ($ressymb,$target) = @_;
754: my $output = '<span class="LC_feedback_link">'.
755: ' <a href="/adm/feedback?replydisc='.
756: &escape($ressymb).':::" '.$target.'>'.
757: '<img alt="" class="LC_noBorder" src="'.
758: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
759: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
760: return $output;
761: }
762:
763: sub send_message_link {
764: my ($ressymb) = @_;
765: my $output = '<span class="LC_message_link">'.
766: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
767: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
768: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').
769: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
770: return $output;
771: }
772:
773: sub action_links_bar {
774: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
775: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
776: '<table width="100%" class="LC_disc_action_table"><tr>'.
777: '<td class="LC_disc_action_left">';
778: my $escsymb=&escape($ressymb);
779: if ($visible>2) {
780: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
781: if ($newpostsflag) {
782: $discussion .= '&previous='.$prevread;
783: }
784: $discussion .= &group_args($group);
785: $discussion .='">'.&mt('Threaded View').'</a> '.
786: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
787: if ($newpostsflag) {
788: $discussion .= '&previous='.$prevread;
789: }
790: $discussion .= &group_args($group);
791: $discussion .='">'.&mt('Chronological View').'</a>
792: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
793: if ($newpostsflag) {
794: $discussion .= '&previous='.$prevread;
795: }
796: $discussion .= &group_args($group);
797: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
798: }
799: $discussion .='<a href="/adm/feedback?export='.$escsymb;
800: if ($newpostsflag) {
801: $discussion .= '&previous='.$prevread;
802: }
803: $discussion .= &group_args($group);
804: $discussion .= '">'.&mt('Export').'?</a> </td>';
805: if ($newpostsflag) {
806: if (!$markondisp) {
807: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
808: $discussion .= &group_args($group);
809: $discussion .= '">'.
810: &mt('Preferences on what is marked as NEW').
811: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
812: $discussion .= &group_args($group);
813: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
814: } else {
815: $discussion .= '<td> </td>';
816: }
817: } else {
818: $discussion .= '<td> </td>';
819: }
820: $discussion .= '</tr></table></td></tr>';
821: return $discussion;
822: }
823:
824: sub postingform_display {
825: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
826: $currnewattach,$currdelold,$group,$crstype) = @_;
827: my $newattachmsg;
828: my %lt = &Apache::lonlocal::texthash(
829: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
830: 'title' => 'Title',
831: 'podi' => 'Post Discussion',
832: 'poan' => 'Post Anonymous Discussion',
833: 'newa' => 'New attachments',
834: );
835: if ($crstype eq 'Community') {
836: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
837: }
838: my $postingform = (<<ENDDISCUSS);
839: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
840: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
841: <input type="hidden" name="sendit" value="true" />
842: <input type="hidden" name="timestamp" value="$now" />
843: <br /><a name="newpost"></a>
844: <font size="1">$lt{'note'}</font><br />
845: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
846: <textarea name="comment" cols="80" rows="14" >$comment</textarea>
847: ENDDISCUSS
848: if ($env{'form.origpage'}) {
849: $postingform .= '<input type="hidden" name="origpage" value="'.
850: $env{'form.origpage'}.'" />'."\n";
851: foreach my $att (@{$currnewattach}) {
852: $postingform .= '<input type="hidden" name="currnewattach" '.
853: 'value="'.$att.'" />'."\n";
854: }
855: }
856: if (exists($env{'form.ref'})) {
857: $postingform .= '<input type="hidden" name="ref" value="'.
858: $env{'form.ref'}.'" />';
859: }
860: if ($group ne '') {
861: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
862: }
863: my $blockblog = &Apache::loncommon::blocking_status('blogs');
864: if (!$blockblog) {
865: $postingform .= &add_blog_checkbox($crstype);
866: }
867: $postingform .= "</form>\n";
868: if ($outputtarget ne 'tex') {
869: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
870: $now,$currnewattach,
871: $currdelold,'',$mode,
872: $blockblog);
873: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
874: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
875: if (@{$currnewattach} > 1) {
876: $newattachmsg .= '<ol>';
877: foreach my $item (@{$currnewattach}) {
878: $item =~ m#.*/([^/]+)$#;
879: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
880: }
881: $newattachmsg .= '</ol>'."\n";
882: } else {
883: $$currnewattach[0] =~ m#.*/([^/]+)$#;
884: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
885: }
886: }
887: $postingform .= $newattachmsg;
888: $postingform .= &generate_preview_button();
889: }
890: return $postingform;
891: }
892:
893: sub build_posting_display {
894: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
895: my @original=();
896: my @index=();
897: my $skip_group_check = 0;
898: my $symb=&Apache::lonenc::check_decrypt($ressymb);
899: my $escsymb=&escape($ressymb);
900: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
901: $env{'course.'.$env{'request.course.id'}.'.domain'},
902: $env{'course.'.$env{'request.course.id'}.'.num'});
903:
904: my $see_anonymous =
905: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
906:
907: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
908: $skip_group_check = 1;
909: }
910: if ($contrib{'version'}) {
911: my $oldest = $contrib{'1:timestamp'};
912: if ($prevread eq '0') {
913: $prevread = $oldest-1;
914: }
915: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
916: if ($sortposts) {
917: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
918: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
919: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
920: }
921: for (my $id=1;$id<=$contrib{'version'};$id++) {
922: my $idx=$id;
923: my $posttime = $contrib{$idx.':timestamp'};
924: if ($prevread <= $posttime) {
925: $$newpostsflag = 1;
926: }
927: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
928: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
929: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
930: my $origindex='0.';
931: my $numoldver=0;
932: if ($contrib{$idx.':replyto'}) {
933: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
934: # this is a follow-up message
935: $original[$idx]=$original[$contrib{$idx.':replyto'}];
936: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
937: $origindex=$index[$contrib{$idx.':replyto'}];
938: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
939: } else {
940: $original[$idx]=0;
941: $$depth[$idx]=0;
942: }
943: } else {
944: # this is an original message
945: $original[$idx]=0;
946: $$depth[$idx]=0;
947: }
948: if ($$replies[$$depth[$idx]]) {
949: $$replies[$$depth[$idx]]++;
950: } else {
951: $$replies[$$depth[$idx]]=1;
952: }
953: unless ((($hidden) && (!$seeid)) || ($deleted)) {
954: $$visible++;
955: if ($contrib{$idx.':history'}) {
956: if ($contrib{$idx.':history'} =~ /:/) {
957: my @oldversions = split(/:/,$contrib{$idx.':history'});
958: $numoldver = @oldversions;
959: } else {
960: $numoldver = 1;
961: }
962: }
963: $$current = $numoldver;
964: my %messages = ();
965: my %subjects = ();
966: my %attachtxt = ();
967: my %allattachments = ();
968: my ($screenname,$plainname);
969: my $sender = &mt('Anonymous');
970: # Anonymous users getting number within a discussion
971: # Since idx is in static order, this should give the same sequence every time.
972: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
973: unless ($$anonhash{$key}) {
974: $anoncnt++;
975: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
976: }
977: my ($message,$subject,$vgrlink,$ctlink);
978: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
979:
980:
981: # Set up for sorting by subject
982: unless ($outputtarget eq 'export') {
983: $message=$messages{$numoldver};
984: $message.=$attachtxt{$numoldver};
985: $subject=$subjects{$numoldver};
986: if ($message) {
987: if ($hidden) {
988: $message='<font color="#888888">'.$message.'</font>';
989: if ($studenthidden) {
990: $message .='<br /><br />Deleted by poster (student).';
991: }
992: }
993:
994: if ($subject eq '') {
995: if (defined($$subjectsort{'__No subject'})) {
996: push(@{$$subjectsort{'__No subject'}}, $idx);
997: } else {
998: @{$$subjectsort{'__No subject'}} = ("$idx");
999: }
1000: } else {
1001: if (defined($$subjectsort{$subject})) {
1002: push(@{$$subjectsort{$subject}}, $idx);
1003: } else {
1004: @{$$subjectsort{$subject}} = ("$idx");
1005: }
1006: }
1007: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1008: $sender=&Apache::loncommon::aboutmewrapper(
1009: $plainname,
1010: $contrib{$idx.':sendername'},
1011: $contrib{$idx.':senderdomain'}).' ('.
1012: $contrib{$idx.':sendername'}.':'.
1013: $contrib{$idx.':senderdomain'}.')';
1014: $sender = '<b>'.$sender.'</b>';
1015: if ($contrib{$idx.':anonymous'}) {
1016: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1017: $screenname;
1018: }
1019: if ($see_anonymous) {
1020: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1021: }
1022: # Set up for sorting by domain, then username
1023: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1024: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1025: }
1026: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1027: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1028: } else {
1029: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1030: }
1031: # Set up for sorting by last name, then first name
1032: my %names = &Apache::lonnet::get('environment',
1033: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1034: ,$contrib{$idx.':sendername'});
1035: my $lastname = $names{'lastname'};
1036: my $firstname = $names{'firstname'};
1037: if ($lastname eq '') {
1038: $lastname = '_';
1039: }
1040: if ($firstname eq '') {
1041: $firstname = '_';
1042: }
1043: unless (defined($$namesort{$lastname})) {
1044: %{$$namesort{$lastname}} = ();
1045: }
1046: if (defined($$namesort{$lastname}{$firstname})) {
1047: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1048: } else {
1049: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1050: }
1051: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1052: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1053: $sender.=' <a href="/adm/feedback?editdisc='.
1054: $escsymb.':::'.$idx;
1055: if ($$newpostsflag) {
1056: $sender .= '&previous='.$prevread;
1057: }
1058: $sender .= &group_args($group);
1059: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1060:
1061: unless ($seeid) {
1062: my $grpargs = &group_args($group);
1063: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1064: $sender .= '">'.&mt('Delete').'</a>';
1065: }
1066: }
1067: }
1068: if ($seeid) {
1069: if ($hidden) {
1070: unless ($studenthidden) {
1071: $sender.=' <a href="/adm/feedback?unhide='.
1072: $escsymb.':::'.$idx;
1073: if ($$newpostsflag) {
1074: $sender .= '&previous='.$prevread;
1075: }
1076: $sender .= '">'.&mt('Make Visible').'</a>';
1077: }
1078: } else {
1079: $sender.=' <a href="/adm/feedback?hide='.
1080: $escsymb.':::'.$idx;
1081: if ($$newpostsflag) {
1082: $sender .= '&previous='.$prevread;
1083: }
1084: $sender .= &group_args($group);
1085: $sender .= '">'.&mt('Hide').'</a>';
1086: }
1087: my $grpargs = &group_args($group);
1088: $sender.=
1089: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1090: $sender .= &mt('Delete').'</a>';
1091: }
1092: } else {
1093: if ($screenname) {
1094: $sender='<i>'.$screenname.'</i>';
1095: } else {
1096: $sender='<i>'.$$anonhash{$key}.'</i>';
1097: }
1098: $sender = '<b>'.$sender.'</b>';
1099: # Set up for sorting by domain, then username for anonymous
1100: unless (defined($$usernamesort{'__anon'})) {
1101: %{$$usernamesort{'__anon'}} = ();
1102: }
1103: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1104: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1105: } else {
1106: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1107: }
1108: # Set up for sorting by last name, then first name for anonymous
1109: unless (defined($$namesort{'__anon'})) {
1110: %{$$namesort{'__anon'}} = ();
1111: }
1112: if (defined($$namesort{'__anon'}{'__anon'})) {
1113: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1114: } else {
1115: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1116: }
1117: }
1118: if (&discussion_open($status)) {
1119: if (($group ne '') &&
1120: (&check_group_priv($group,'pgd') eq 'ok')) {
1121: $sender.=' <a href="/adm/feedback?replydisc='.
1122: $escsymb.':::'.$idx;
1123: if ($$newpostsflag) {
1124: $sender .= '&previous='.$prevread;
1125: }
1126: $sender .= &group_args($group);
1127: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1128: } elsif (&Apache::lonnet::allowed('pch',
1129: $env{'request.course.id'}.
1130: ($env{'request.course.sec'}?'/'.
1131: $env{'request.course.sec'}:''))) {
1132: $sender.=' <a href="/adm/feedback?replydisc='.
1133: $escsymb.':::'.$idx;
1134: if ($$newpostsflag) {
1135: $sender .= '&previous='.$prevread;
1136: }
1137: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1138: }
1139: }
1140: if ($viewgrades) {
1141: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1142: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1143: }
1144: if ($$dischash{$readkey}=~/\.$idx\./) {
1145: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1146: } else {
1147: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1148: }
1149: }
1150: #figure out at what position this needs to print
1151: }
1152: if ($outputtarget eq 'export' || $message) {
1153: my $thisindex=$idx;
1154: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1155: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1156: }
1157: $$alldiscussion{$thisindex}=$idx;
1158: $$shown{$idx} = 0;
1159: $index[$idx]=$thisindex;
1160: }
1161: if ($outputtarget eq 'export') {
1162: %{$$imsitems{$idx}} = ();
1163: $$imsitems{$idx}{'isvisible'}='true';
1164: if ($hidden) {
1165: $$imsitems{$idx}{'isvisible'}='false';
1166: }
1167: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1168: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1169: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1170: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1171: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1172: $contrib{$idx.':sendername'}.':'.
1173: $contrib{$idx.':senderdomain'}.')';
1174: $$imsitems{$idx}{'isanonymous'}='false';
1175: if ($contrib{$idx.':anonymous'}) {
1176: $$imsitems{$idx}{'isanonymous'}='true';
1177: }
1178: $$imsitems{$idx}{'currversion'}=$numoldver;
1179: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1180: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1181: $$shown{$idx} = 1;
1182: }
1183: } else {
1184: if ($message) {
1185: my $spansize = 2;
1186: if ($showonlyunread && $prevread > $posttime) {
1187: $$notshown{$idx} = 1;
1188: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1189: $$notshown{$idx} = 1;
1190: } else {
1191: # apply filters
1192: my $uname = $contrib{$idx.':sendername'};
1193: my $udom = $contrib{$idx.':senderdomain'};
1194: my $poster = $uname.':'.$udom;
1195: if ($env{'form.totposters'} ne '') {
1196: if ($totposters == 0) {
1197: $$shown{$idx} = 0;
1198: } elsif ($totposters > 0) {
1199: if (grep/^$poster$/,@{$posters}) {
1200: $$shown{$idx} = 1;
1201: }
1202: }
1203: } elsif ($sortposts) {
1204: if ($skiptest) {
1205: $$shown{$idx} = 1;
1206: } else {
1207: foreach my $role (@{$$roleinfo{$poster}}) {
1208: if ($role =~ /^cc:/) {
1209: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1210: if ($role =~ /$cc_regexp/) {
1211: $$shown{$idx} = 1;
1212: last;
1213: }
1214: } elsif ($role =~ /^$rolematch$/) {
1215: $$shown{$idx} = 1;
1216: last;
1217: }
1218: }
1219: }
1220: if ($$shown{$idx} && !$skip_group_check) {
1221: my $showflag = 0;
1222: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1223: foreach my $grp (@{$grouppick}) {
1224: if (grep/^\Q$grp\E$/,
1225: keys(%{$$classgroups{$poster}{active}})) {
1226: $showflag = 1;
1227: last;
1228: }
1229: }
1230: }
1231: if ($showflag) {
1232: $$shown{$idx} = 1;
1233: } else {
1234: $$shown{$idx} = 0;
1235: }
1236: }
1237: } else {
1238: $$shown{$idx} = 1;
1239: }
1240: }
1241: unless ($$notshown{$idx} == 1) {
1242: if ($prevread > 0 && $prevread <= $posttime) {
1243: $$newitem{$idx} = 1;
1244: $$discussionitems[$idx] .= '
1245: <table border="0" width="100%">
1246: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1247: } else {
1248: $$newitem{$idx} = 0;
1249: $$discussionitems[$idx] .= '
1250: <table border="0" width="100%">
1251: <tr><td align="left"> </td>';
1252: }
1253: $$discussionitems[$idx] .= '<td align="left"> '.
1254: '<b>'.$subject.'</b> '.
1255: $sender.' '.$vgrlink.' ('.
1256: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1257: if ($$dischash{$toggkey}) {
1258: $$discussionitems[$idx].='<td align="right"> '.
1259: $ctlink.'</td>';
1260: }
1261: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1262: $message.'</blockquote>';
1263: if ($contrib{$idx.':history'}) {
1264: my @postversions = ();
1265: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1266: if ($seeid) {
1267: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1268: $$discussionitems[$idx] .= &group_args($group);
1269: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1270: }
1271: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1272: if ($contrib{$idx.':history'} =~ m/:/) {
1273: @postversions = split(/:/,$contrib{$idx.':history'});
1274: } else {
1275: @postversions = ("$contrib{$idx.':history'}");
1276: }
1277: for (my $i=0; $i<@postversions; $i++) {
1278: my $version = $i+1;
1279: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1280: }
1281: }
1282: }
1283: }
1284: }
1285: }
1286: }
1287: }
1288: }
1289:
1290: sub filter_regexp {
1291: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1292: my ($roleregexp,$secregexp,$statusregexp);
1293: my $skiptest = 1;
1294: if (@{$rolefilter} > 0) {
1295: my @okrolefilter = ();
1296: foreach my $role (@{$rolefilter}) {
1297: unless ($role eq '') {
1298: push(@okrolefilter, $role);
1299: }
1300: }
1301: if (@okrolefilter > 0) {
1302: if (grep/^all$/,@okrolefilter) {
1303: $roleregexp='[^:]+';
1304: } else {
1305: if (@okrolefilter == 1) {
1306: $roleregexp=$okrolefilter[0];
1307: } else {
1308: $roleregexp='('.join('|',@okrolefilter).')';
1309: }
1310: $skiptest = 0;
1311: }
1312: }
1313: }
1314: if (@{$sectionpick} > 0) {
1315: my @oksectionpick = ();
1316: foreach my $sec (@{$sectionpick}) {
1317: unless ($sec eq '') {
1318: push(@oksectionpick, $sec);
1319: }
1320: }
1321: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1322: if (@oksectionpick == 1) {
1323: $secregexp = $oksectionpick[0];
1324: } else {
1325: $secregexp .= '('.join('|',@oksectionpick).')';
1326: }
1327: $skiptest = 0;
1328: } else {
1329: $secregexp .= '[^:]*';
1330: }
1331: }
1332:
1333: if (defined($statusfilter) && $statusfilter ne '') {
1334: if ($statusfilter eq 'all') {
1335: $statusregexp = '[^:]+';
1336: } else {
1337: $statusregexp = $statusfilter;
1338: $skiptest = 0;
1339: }
1340: }
1341: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1342: }
1343:
1344:
1345: sub get_post_contents {
1346: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1347: my $discussion = '';
1348: my $start=$numver;
1349: my $end=$numver + 1;
1350: %{$$imsfiles{$idx}}=();
1351: if ($type eq 'allversions') {
1352: unless($seeid) {
1353: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1354: return $discussion;
1355: }
1356: }
1357: # $$screenname=&Apache::loncommon::screenname(
1358: # $$contrib{$idx.':sendername'},
1359: # $$contrib{$idx.':senderdomain'});
1360: $$plainname=&Apache::loncommon::nickname(
1361: $$contrib{$idx.':sendername'},
1362: $$contrib{$idx.':senderdomain'});
1363: $$screenname=$$contrib{$idx.':screenname'};
1364:
1365: my $sender=&Apache::loncommon::aboutmewrapper(
1366: $$plainname,
1367: $$contrib{$idx.':sendername'},
1368: $$contrib{$idx.':senderdomain'}).' ('.
1369: $$contrib{$idx.':sendername'}.':'.
1370: $$contrib{$idx.':senderdomain'}.')';
1371: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1372: my @postversions = ();
1373: if ($type eq 'allversions' || $type eq 'export') {
1374: $start = 0;
1375: if ($$contrib{$idx.':history'}) {
1376: @postversions = split(/:/,$$contrib{$idx.':history'});
1377: }
1378: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1379: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1380: push(@postversions,$$contrib{$idx.':timestamp'});
1381: $end = @postversions;
1382: } else {
1383: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1384: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1385: }
1386:
1387: if ($$contrib{$idx.':anonymous'}) {
1388: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1389: }
1390: if ($type eq 'allversions') {
1391: $discussion=('<b>'.$sender.'</b><br /><ul>');
1392: }
1393: for (my $i=$start; $i<$end; $i++) {
1394: my ($timesent,$attachmsg);
1395: my %currattach = ();
1396: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1397: unless (&contains_block_html($messages->{$i})) {
1398: &newline_to_br(\$messages->{$i});
1399: }
1400: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1401: $$subjects{$i}=~s/\n/\<br \/\>/g;
1402: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1403: if ($attachmenturls) {
1404: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1405: }
1406: if ($type eq 'export') {
1407: $$imsfiles{$idx}{$i} = '';
1408: if ($attachmsg) {
1409: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1410: foreach my $key (sort(keys(%currattach))) {
1411: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1412: my $fname = $1.$3.'/'.$4;
1413: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1414: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1415: }
1416: }
1417: }
1418: } else {
1419: if ($attachmsg) {
1420: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1421: } else {
1422: $$attachtxt{$i} = '';
1423: }
1424: }
1425: if ($type eq 'allversions') {
1426: $discussion.= <<"END";
1427: <li><b>$$subjects{$i}</b>, $timesent<br />
1428: $$messages{$i}<br />
1429: $$attachtxt{$i}</li>
1430: END
1431: }
1432: }
1433: if ($type eq 'allversions') {
1434: $discussion.='</ul>';
1435: return $discussion;
1436: } else {
1437: return;
1438: }
1439: }
1440:
1441: sub replicate_attachments {
1442: my ($attachrefs,$tempexport) = @_;
1443: my $response;
1444: foreach my $id (keys(%{$attachrefs})) {
1445: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1446: my $path = $tempexport;
1447: my $tail = $1.'/'.$2.$4;
1448: my @extras = split(/\//,$tail);
1449: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1450: if (!-e $destination) {
1451: my $i= 0;
1452: while ($i<@extras) {
1453: $path .= '/'.$extras[$i];
1454: if (!-e $path) {
1455: mkdir($path,0700);
1456: }
1457: $i ++;
1458: }
1459: my ($content,$rtncode);
1460: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1461: if ($uploadreply eq 'ok') {
1462: my $attachcopy;
1463: if ($attachcopy = Apache::File->new('>'.$destination)) {
1464: print $attachcopy $content;
1465: close($attachcopy);
1466: } else {
1467: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1468: }
1469: } else {
1470: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1471: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1472: }
1473: }
1474: }
1475: }
1476: return $response;
1477: }
1478:
1479: sub mail_screen {
1480: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1481: if (exists($env{'form.origpage'})) {
1482: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1483: }
1484:
1485: my %lt = &Apache::lonlocal::texthash(
1486: 'myqu' => 'My question/comment/feedback:',
1487: 'title' => 'Title',
1488: 'reta' => 'Retained attachments',
1489: 'atta' => 'Attachment',
1490: );
1491: my $restitle = &get_resource_title($caller_symb,$feedurl);
1492: my $quote='';
1493: my $subject = '';
1494: my $comment = '';
1495: my $prevtag = '';
1496: my $parentmsg = '';
1497: my ($symb,$idx,$attachmenturls);
1498: my $numoldver = 0;
1499: my $attachmsg = '';
1500: my $newattachmsg = '';
1501: my @currnewattach = ();
1502: my @currdelold = ();
1503: my @keepold = ();
1504: my %attachments = ();
1505: my %currattach = ();
1506: my $attachnum = 0;
1507: my $anonchk = (<<END);
1508: function anonchk() {
1509: for (var i=0; i < document.mailform.discuss.length; i++) {
1510: if (document.mailform.discuss[i].checked) {
1511: document.attachment.discuss.value =
1512: document.mailform.discuss[i].value;
1513: }
1514: }
1515: if (document.mailform.blog.checked) {
1516: document.attachment.blog.value = 1;
1517: }
1518: return
1519: }
1520: END
1521: my $anonscript;
1522: if (exists($env{'form.origpage'})) {
1523: $anonscript = (<<END);
1524: function setposttype() {
1525: var disc = "$env{'form.discuss'}";
1526: for (var i=0; i < document.mailform.discuss.length; i++) {
1527: if (disc == document.mailform.discuss[i].value) {
1528: document.mailform.discuss[i].checked = 1;
1529: }
1530: }
1531: var blog = "$env{'form.blog'}";
1532: if (blog == 1) {
1533: document.mailform.blog.checked=1;
1534: }
1535: return
1536: }
1537: END
1538: } else {
1539: $anonscript = (<<END);
1540: function setposttype() {
1541: return
1542: }
1543: END
1544: }
1545: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1546: if ($env{'form.replydisc'}) {
1547: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1548: } else {
1549: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1550: }
1551: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1552: $env{'course.'.$env{'request.course.id'}.'.domain'},
1553: $env{'course.'.$env{'request.course.id'}.'.num'});
1554: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1555: if ($contrib{$idx.':history'}) {
1556: if ($contrib{$idx.':history'} =~ /:/) {
1557: my @oldversions = split(/:/,$contrib{$idx.':history'});
1558: $numoldver = @oldversions;
1559: } else {
1560: $numoldver = 1;
1561: }
1562: }
1563: if ($env{'form.replydisc'}) {
1564: if ($contrib{$idx.':history'}) {
1565: if ($contrib{$idx.':history'} =~ /:/) {
1566: my @oldversions = split(/:/,$contrib{$idx.':history'});
1567: $numoldver = @oldversions;
1568: } else {
1569: $numoldver = 1;
1570: }
1571: }
1572: if ($idx > 0) {
1573: my %msgversions = ();
1574: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1575: $quote = $msgversions{$numoldver};
1576: }
1577: if ($idx > 0) {
1578: my %subversions = ();
1579: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1580: $subject = &mt('Re: ').$subversions{$numoldver};
1581: }
1582: $subject = &HTML::Entities::encode($subject,'<>&"');
1583: } else {
1584: $attachmenturls = $contrib{$idx.':attachmenturl'};
1585: if ($idx > 0) {
1586: my %msgversions = ();
1587: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1588: $comment = $msgversions{$numoldver};
1589: my %subversions = ();
1590: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1591: $subject = $subversions{$numoldver};
1592: }
1593: if (defined($contrib{$idx.':replyto'})) {
1594: $parentmsg = $contrib{$idx.':replyto'};
1595: }
1596: unless (exists($env{'form.origpage'})) {
1597: my $anonflag = 'nonanon';
1598: if ($contrib{$idx.':anonymous'}) {
1599: $anonflag = 'anon';
1600: }
1601: $anonscript = (<<END);
1602: function setposttype () {
1603: var currtype = "$anonflag";
1604: for (var i=0; i<document.mailform.discuss.length; i++) {
1605: if (document.mailform.elements.discuss[i].value == currtype ) {
1606: document.mailform.elements.discuss[i].checked=1;
1607: }
1608: }
1609: return
1610: }
1611: END
1612: }
1613: }
1614: }
1615: if ($env{'form.previous'}) {
1616: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1617: }
1618: }
1619:
1620: if ($env{'form.origpage'}) {
1621: $subject = &unescape($env{'form.subject'});
1622: $comment = &unescape($env{'form.comment'});
1623: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1624: }
1625: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1626: my $send=&mt('Send');
1627: my $alert = &mt('Please select a feedback type.');
1628: my $js= <<END;
1629: <script type="text/javascript">
1630: //<!--
1631: function gosubmit() {
1632: var rec=0;
1633: if (typeof(document.mailform.elements.discuss)!="undefined") {
1634: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1635: if (document.mailform.elements.discuss.checked ) {
1636: rec=1;
1637: }
1638: } else {
1639: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1640: if (document.mailform.elements.discuss[i].checked ) {
1641: rec=1;
1642: }
1643: }
1644: }
1645: }
1646: if (typeof(document.mailform.elements.blog)!="undefined") {
1647: if (document.mailform.elements.blog.checked) {
1648: rec=1;
1649: }
1650: }
1651:
1652: if (rec) {
1653: if (typeof(document.mailform.onsubmit)=='function') {
1654: document.mailform.onsubmit();
1655: }
1656: document.mailform.submit();
1657: } else {
1658: alert('$alert');
1659: }
1660: }
1661: $anonchk
1662: $anonscript
1663: //-->
1664: </script>
1665: END
1666:
1667: # Breadcrumbs
1668: my $brcrum = [{'href' => '',
1669: 'text' => 'Resource Feedback and Discussion'}];
1670:
1671: my %onload = ('onload' => 'window.focus();setposttype();');
1672: my $start_page=
1673: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1674: {'add_entries' => \%onload,
1675: 'bread_crumbs' => $brcrum,});
1676:
1677: if ($quote ne '') {
1678: $quote = &HTML::Entities::decode($quote);
1679: unless (&contains_block_html($quote)) {
1680: &newline_to_br(\$quote);
1681: }
1682: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1683: }
1684:
1685: $r->print(<<END);
1686: $start_page
1687: <h2><tt>$restitle</tt></h2>
1688: <form action="/adm/feedback" method="post" name="mailform"
1689: enctype="multipart/form-data">
1690: $prevtag
1691: <input type="hidden" name="postdata" value="$feedurl" />
1692: END
1693: if ($env{'form.replydisc'}) {
1694: $r->print(<<END);
1695: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1696: END
1697: } elsif ($env{'form.editdisc'}) {
1698: $r->print(<<END);
1699: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1700: <input type="hidden" name="parentmsg" value="$parentmsg" />
1701: END
1702: }
1703: $r->print(<<END);
1704: $options<hr />
1705: $quote
1706: <p>$lt{'myqu'}</p>
1707: <p>
1708: $latexHelp
1709: </p>
1710: <p>
1711: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1712: <p>
1713: <textarea name="comment" id="comment" cols="60" rows="10">$comment
1714: </textarea></p>
1715: END
1716: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1717: if ($env{'form.origpage'}) {
1718: foreach my $attach (@currnewattach) {
1719: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1720: }
1721: foreach my $oldatt (@currdelold) {
1722: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1723: }
1724: }
1725: if ($env{'form.editdisc'}) {
1726: if ($attachmenturls) {
1727: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1728: $attachnum = scalar(keys(%currattach));
1729: foreach my $key (keys(%currattach)) {
1730: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1731: }
1732: }
1733: }
1734: } else {
1735: $r->print(<<END);
1736: <p>
1737: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1738: </p>
1739: END
1740: }
1741: if (exists($env{'form.group'})) {
1742: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1743: }
1744: if (exists($env{'form.ref'})) {
1745: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1746: }
1747: $r->print(<<END);
1748: <p>
1749: <input type="hidden" name="sendit" value="1" />
1750: <input type="button" value="$send" onclick='gosubmit();' />
1751: </p>
1752: </form>
1753: END
1754: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1755: my $now = time;
1756: my $ressymb = $symb;
1757: &Apache::lonenc::check_encrypt(\$ressymb);
1758: my $postidx = '';
1759: if ($env{'form.editdisc'}) {
1760: $postidx = $idx;
1761: }
1762: if (@currnewattach > 0) {
1763: $attachnum += @currnewattach;
1764: }
1765: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1766: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1767: if ($attachnum > 0) {
1768: if (@currnewattach > 0) {
1769: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1770: if (@currnewattach > 1) {
1771: $newattachmsg .= '<ol>';
1772: foreach my $item (@currnewattach) {
1773: $item =~ m#.*/([^/]+)$#;
1774: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1775: }
1776: $newattachmsg .= '</ol>'."\n";
1777: } else {
1778: $currnewattach[0] =~ m#.*/([^/]+)$#;
1779: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1780: }
1781: }
1782: if ($attachmsg) {
1783: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1784: }
1785: if ($newattachmsg) {
1786: $r->print("$newattachmsg<br />");
1787: }
1788: }
1789: }
1790: $r->print(&generate_preview_button().
1791: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1792: &Apache::loncommon::end_page());
1793:
1794: }
1795:
1796: sub print_display_options {
1797: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1798: &Apache::loncommon::content_type($r,'text/html');
1799: $r->send_http_header;
1800:
1801: my $function = &Apache::loncommon::get_users_function();
1802: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1803: $env{'user.domain'});
1804:
1805: my %lt = &Apache::lonlocal::texthash(
1806: 'pref' => 'Display Preference',
1807: 'curr' => 'Current setting ',
1808: 'actn' => 'Action',
1809: 'deff' => 'Default for all discussions',
1810: 'prca' => 'Preferences can be set for this discussion that determine ....',
1811: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1812: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1813: 'wipa' => 'Whether individual posts can be marked as read/unread',
1814: 'allposts' => 'All posts',
1815: 'unread' => 'New posts only',
1816: 'unmark' => 'Posts not marked read',
1817: 'ondisp' => 'Once displayed',
1818: 'onmark' => 'Once marked not NEW',
1819: 'toggon' => 'Shown',
1820: 'toggoff' => 'Not shown',
1821: 'disa' => 'Posts displayed?',
1822: 'npmr' => 'New posts cease to be identified as "NEW"?',
1823: 'dotm' => 'Option to mark each post as read/unread?',
1824: 'chgt' => 'Change to ',
1825: 'mkdf' => 'Set to ',
1826: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1827: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1828: );
1829:
1830: my $dispchangeA = $lt{'unread'};
1831: my $dispchangeB = $lt{'unmark'};
1832: my $markchange = $lt{'ondisp'};
1833: my $toggchange = $lt{'toggon'};
1834: my $currdisp = $lt{'allposts'};
1835: my $currmark = $lt{'onmark'};
1836: my $discdisp = 'allposts';
1837: my $discmark = 'onmark';
1838: my $currtogg = $lt{'toggoff'};
1839: my $disctogg = 'toggoff';
1840:
1841: if ($dispchgA eq 'allposts') {
1842: $dispchangeA = $lt{'allposts'};
1843: $currdisp = $lt{'unread'};
1844: $discdisp = 'unread';
1845: }
1846:
1847: if ($markchg eq 'markonread') {
1848: $markchange = $lt{'onmark'};
1849: $currmark = $lt{'ondisp'};
1850: $discmark = 'ondisp';
1851: }
1852:
1853: if ($dispchgB eq 'onlyunread') {
1854: $dispchangeB = $lt{'unread'};
1855: $currdisp = $lt{'unmark'};
1856: $discdisp = 'unmark';
1857: }
1858: if ($toggchg eq 'toggoff') {
1859: $toggchange = $lt{'toggoff'};
1860: $currtogg = $lt{'toggon'};
1861: $disctogg = 'toggon';
1862: }
1863:
1864: my $js = <<END;
1865: <script type="text/javascript">
1866: function discdispChk(caller) {
1867: var disctogg = '$toggchg'
1868: if (caller == 0) {
1869: if (document.modifydisp.discdisp[0].checked == true) {
1870: if (document.modifydisp.discdisp[1].checked == true) {
1871: document.modifydisp.discdisp[1].checked = false
1872: }
1873: }
1874: }
1875: if (caller == 1) {
1876: if (document.modifydisp.discdisp[1].checked == true) {
1877: if (document.modifydisp.discdisp[0].checked == true) {
1878: document.modifydisp.discdisp[0].checked = false
1879: }
1880: if (disctogg == 'toggon') {
1881: document.modifydisp.disctogg.checked = true
1882: }
1883: if (disctogg == 'toggoff') {
1884: document.modifydisp.disctogg.checked = false
1885: }
1886: }
1887: }
1888: if (caller == 2) {
1889: var dispchgB = '$dispchgB'
1890: if (disctogg == 'toggoff') {
1891: if (document.modifydisp.disctogg.checked == true) {
1892: if (dispchgB == 'onlyunmark') {
1893: document.modifydisp.discdisp[1].checked = false
1894: }
1895: }
1896: }
1897: }
1898: }
1899:
1900: function setDisp() {
1901: var prev = "$previous"
1902: var chktotal = 0
1903: if (document.modifydisp.discdisp[0].checked == true) {
1904: document.modifydisp.$dispchgA.value = "$symb"
1905: chktotal ++
1906: }
1907: if (document.modifydisp.discdisp[1].checked == true) {
1908: document.modifydisp.$dispchgB.value = "$symb"
1909: chktotal ++
1910: }
1911: if (document.modifydisp.discmark.checked == true) {
1912: document.modifydisp.$markchg.value = "$symb"
1913: chktotal ++
1914: }
1915: if (document.modifydisp.disctogg.checked == true) {
1916: document.modifydisp.$toggchg.value = "$symb"
1917: chktotal ++
1918: }
1919: if (chktotal > 0) {
1920: document.modifydisp.submit()
1921: } else {
1922: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1923: if (prev > 0) {
1924: location.href = "$feedurl?previous=$previous"
1925: } else {
1926: location.href = "$feedurl"
1927: }
1928: }
1929: }
1930: }
1931: </script>
1932: END
1933:
1934:
1935: my $start_page =
1936: &Apache::loncommon::start_page('Discussion display options',$js);
1937: my $end_page =
1938: &Apache::loncommon::end_page();
1939: $r->print(<<END);
1940: $start_page
1941: <form name="modifydisp" method="post" action="/adm/feedback">
1942: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1943: <br />
1944: END
1945: $r->print(&Apache::loncommon::start_data_table());
1946: $r->print(<<END);
1947: <tr>
1948: <th>$lt{'pref'}</td>
1949: <th>$lt{'curr'}</td>
1950: <th>$lt{'actn'}?</td>
1951: </tr>
1952: END
1953: $r->print(&Apache::loncommon::start_data_table_row());
1954: $r->print(<<END);
1955: <td>$lt{'disa'}</td>
1956: <td>$lt{$discdisp}</td>
1957: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1958: <br />
1959: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1960: </td>
1961: END
1962: $r->print(&Apache::loncommon::end_data_table_row());
1963: $r->print(&Apache::loncommon::start_data_table_row());
1964: $r->print(<<END);
1965: <td>$lt{'npmr'}</td>
1966: <td>$lt{$discmark}</td>
1967: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1968: END
1969: $r->print(&Apache::loncommon::end_data_table_row());
1970: $r->print(&Apache::loncommon::start_data_table_row());
1971: $r->print(<<END);
1972: <td>$lt{'dotm'}</td>
1973: <td>$lt{$disctogg}</td>
1974: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1975: END
1976: my $save = &mt('Save');
1977: $r->print(&Apache::loncommon::end_data_table_row());
1978: $r->print(&Apache::loncommon::end_data_table());
1979: $r->print(<<END);
1980: <br />
1981: <br />
1982: <input type="hidden" name="symb" value="$symb" />
1983: <input type="hidden" name="previous" value="$previous" />
1984: <input type="hidden" name="$dispchgA" value="" />
1985: <input type="hidden" name="$dispchgB" value="" />
1986: <input type="hidden" name="$markchg" value="" />
1987: <input type="hidden" name="$toggchg" value="" />
1988: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
1989: END
1990: if (exists($env{'form.group'})) {
1991: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1992: }
1993: if (exists($env{'form.ref'})) {
1994: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1995: }
1996: $r->print("
1997: <br />
1998: <br />
1999: </form>
2000: $end_page
2001: ");
2002: return;
2003: }
2004:
2005: sub print_sortfilter_options {
2006: my ($r,$symb,$previous,$feedurl) = @_;
2007:
2008: &Apache::loncommon::content_type($r,'text/html');
2009: $r->send_http_header;
2010:
2011: &Apache::lonenc::check_encrypt(\$symb);
2012: my @sections;
2013: my $section_sel = '';
2014: my $numvisible = 5;
2015: my @groups;
2016: my $group_sel = '';
2017: my $numgroupvis = 5;
2018: my %sectioncount = &Apache::loncommon::get_sections();
2019: my @courseroles = qw(st ad ep ta in);
2020: my $crstype = &Apache::loncommon::course_type();
2021: my $ccrole = 'cc';
2022: if ($crstype eq 'Community') {
2023: $ccrole = 'co';
2024: }
2025: push(@courseroles,$ccrole);
2026:
2027: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2028: @sections = ('all',$env{'request.course.sec'});
2029: $numvisible = 2;
2030: } else {
2031: @sections = sort {$a cmp $b} keys(%sectioncount);
2032: if (scalar(@sections) < 4) {
2033: $numvisible = scalar(@sections) + 1;
2034: }
2035: unshift(@sections,'all'); # Put 'all' at the front of the list
2036:
2037: }
2038: foreach my $sec (@sections) {
2039: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2040: }
2041:
2042: if (&check_group_priv() eq 'ok') {
2043: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2044: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2045: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2046: @groups = sort {$a cmp $b} keys(%curr_groups);
2047: if (scalar(@groups) < 4) {
2048: $numgroupvis = scalar(@groups) + 1;
2049: }
2050: unshift(@groups,'all'); # Put 'all' at the front of the list
2051: } else {
2052: my @coursegroups = split(/:/,$env{'request.course.groups'});
2053: if (@coursegroups > 0) {
2054: @coursegroups = sort {$a cmp $b} @coursegroups;
2055: @groups = ('all',@coursegroups);
2056: if (scalar(@groups) < 4) {
2057: $numgroupvis = scalar(@groups) + 1;
2058: }
2059: } else {
2060: @groups = ('all');
2061: $numgroupvis = 1;
2062: }
2063: }
2064: foreach my $group (@groups) {
2065: $group_sel .= " <option value=\"$group\">$group</option>\n";
2066: }
2067:
2068: my $function = &Apache::loncommon::get_users_function();
2069: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2070: $env{'user.domain'});
2071: my %lt = &Apache::lonlocal::texthash(
2072: 'diop' => 'Display Options',
2073: 'curr' => 'Current setting ',
2074: 'actn' => 'Action',
2075: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2076: 'soor' => 'Sort order',
2077: 'spur' => 'Specific user roles',
2078: 'sprs' => 'Specific role status',
2079: 'spse' => 'Specific sections',
2080: 'spgr' => 'Specific groups',
2081: 'psub' => 'Pick specific users (by name)',
2082: 'shal' => 'Show a list of current posters',
2083: 'stor' => 'Save changes',
2084: );
2085:
2086: my %sort_types = ();
2087: my %role_types = ();
2088: my %status_types = ();
2089: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2090:
2091: my $js = <<END;
2092: <script type="text/javascript">
2093: function verifyFilter() {
2094: var rolenum = 0
2095: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2096: if (document.modifyshown.rolefilter.options[i].selected == true) {
2097: rolenum ++
2098: }
2099: }
2100: if (rolenum == 0) {
2101: document.modifyshown.rolefilter.options[0].selected = true
2102: }
2103:
2104: var secnum = 0
2105: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2106: if (document.modifyshown.sectionpick.options[i].selected == true) {
2107: secnum ++
2108: }
2109: }
2110: if (secnum == 0) {
2111: document.modifyshown.sectionpick.options[0].selected = true
2112: }
2113:
2114: var grpnum = 0
2115: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2116: if (document.modifyshown.grouppick.options[i].selected == true) {
2117: grpnum ++
2118: }
2119: }
2120: if (grpnum == 0) {
2121: document.modifyshown.grouppick.options[0].selected = true
2122: }
2123:
2124: document.modifyshown.submit();
2125: }
2126: </script>
2127: END
2128:
2129: my $start_page=
2130: &Apache::loncommon::start_page('Discussion options',$js);
2131: my $end_page=
2132: &Apache::loncommon::end_page();
2133:
2134: $r->print(<<END);
2135: $start_page
2136: <form name="modifyshown" method="post" action="/adm/feedback">
2137: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2138: <br /><br />
2139: <table border="0">
2140: <tr>
2141: <th>$lt{'soor'}</th>
2142: <th> </th>
2143: <th>$lt{'sprs'}</th>
2144: <th> </th>
2145: <th>$lt{'spur'}</th>
2146: <th> </th>
2147: <th>$lt{'spse'}</th>
2148: <th> </th>
2149: <th>$lt{'spgr'}</th>
2150: <th> </th>
2151: <th>$lt{'psub'}</th>
2152: </tr>
2153: <tr>
2154: <td align="center" valign="top">
2155: <select name="sortposts">
2156: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2157: <option value="descdate">$sort_types{'descdate'}</option>
2158: <option value="thread">$sort_types{'thread'}</option>
2159: <option value="subject">$sort_types{'subject'}</option>
2160: <option value="username">$sort_types{'username'}</option>
2161: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2162: </select>
2163: </td>
2164: <td> </td>
2165: <td align="center" valign="top">
2166: <select name="statusfilter">
2167: <option value="all" selected="selected">$status_types{'all'}</option>
2168: <option value="Active">$status_types{'Active'}</option>
2169: <option value="Expired">$status_types{'Expired'}</option>
2170: <option value="Future">$status_types{'Future'}</option>
2171: </select>
2172: </td>
2173: <td> </td>
2174: <td align="center" valign="top">
2175: <select name="rolefilter" multiple="multiple" size="5">
2176: <option value="all">$role_types{'all'}</option>
2177: <option value="st">$role_types{'st'}</option>
2178: <option value="$ccrole">$role_types{$ccrole}</option>
2179: <option value="in">$role_types{'in'}</option>
2180: <option value="ta">$role_types{'ta'}</option>
2181: <option value="ep">$role_types{'ep'}</option>
2182: <option value="ad">$role_types{'ad'}</option>
2183: <option value="cr">$role_types{'cr'}</option>
2184: </select>
2185: </td>
2186: <td> </td>
2187: <td align="center" valign="top">
2188: <select name="sectionpick" multiple="multiple" size="$numvisible">
2189: $section_sel
2190: </select>
2191: </td>
2192: <td> </td>
2193: <td align="center" valign="top">
2194: <select name="grouppick" multiple="multiple" size="$numvisible">
2195: $group_sel
2196: </select>
2197: </td>
2198: <td> </td>
2199: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2200: </tr>
2201: </table>
2202: <br />
2203: <br />
2204: <input type="hidden" name="previous" value="$previous" />
2205: <input type="hidden" name="applysort" value="$symb" />
2206: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2207: END
2208: if (exists($env{'form.group'})) {
2209: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2210: }
2211: if (exists($env{'form.ref'})) {
2212: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2213: }
2214: $r->print("
2215: <br />
2216: <br />
2217: </form>
2218: $end_page
2219: ");
2220: }
2221:
2222: sub print_showposters {
2223: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2224:
2225: &Apache::loncommon::content_type($r,'text/html');
2226: $r->send_http_header;
2227:
2228: &Apache::lonenc::check_encrypt(\$symb);
2229: my $crs='/'.$env{'request.course.id'};
2230: if ($env{'request.course.sec'}) {
2231: $crs.='_'.$env{'request.course.sec'};
2232: }
2233: $crs=~s/\_/\//g;
2234: my $seeid;
2235: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2236: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2237: my $group = $env{'form.group'};
2238: my $ressymb = &wrap_symb($symb);
2239: if (($group ne '') &&
2240: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2241: if (&check_group_priv($group,'dgp') eq 'ok') {
2242: $seeid = 1;
2243: }
2244: } else {
2245: $seeid=&Apache::lonnet::allowed('rin',$crs);
2246: }
2247: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2248: $cdom,$cnum);
2249: my %namesort = ();
2250: my %postcounts = ();
2251:
2252: my %lt = &Apache::lonlocal::texthash(
2253: sele => 'Select',
2254: full => 'Fullname',
2255: usdo => 'Username:domain',
2256: post => 'Posts',
2257: );
2258: if ($contrib{'version'}) {
2259: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2260: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2261: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2262: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2263: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2264: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2265: my $lastname = $names{'lastname'};
2266: my $firstname = $names{'firstname'};
2267: if ($lastname eq '') {
2268: $lastname = '_';
2269: }
2270: if ($firstname eq '') {
2271: $firstname = '_';
2272: }
2273: unless (defined($namesort{$lastname})) {
2274: %{$namesort{$lastname}} = ();
2275: }
2276: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2277: $postcounts{$poster} ++;
2278: if (defined($namesort{$lastname}{$firstname})) {
2279: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2280: push(@{$namesort{$lastname}{$firstname}}, $poster);
2281: }
2282: } else {
2283: @{$namesort{$lastname}{$firstname}} = ("$poster");
2284: }
2285: }
2286: }
2287: }
2288: }
2289:
2290: my $start_page = &Apache::loncommon::start_page('Discussion options');
2291: my $table_start =&Apache::loncommon::start_data_table();
2292: $r->print(<<END);
2293: $start_page
2294: <form name="pickpostersform" method="post">
2295: <br />
2296: $table_start
2297: <tr>
2298: <th>#</th>
2299: <th>$lt{'sele'}</th>
2300: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2301: <th>$lt{'post'}</th>
2302: </tr>
2303: END
2304: my $count = 0;
2305: foreach my $last (sort(keys(%namesort))) {
2306: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2307: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2308: my ($uname,$udom) = split(/:/,$user);
2309: if (!$uname || !$udom) {
2310: next;
2311: } else {
2312: $count ++;
2313: $r->print(&Apache::loncommon::start_data_table_row().
2314: '<td align="right">'.$count.'</td>
2315: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2316: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2317: <td>'.$postcounts{$user}.'</td>'.
2318: &Apache::loncommon::end_data_table_row());
2319: }
2320: }
2321: }
2322: }
2323: $r->print(&Apache::loncommon::end_data_table());
2324: my $end_page = &Apache::loncommon::end_page();
2325: $r->print(<<END);
2326: <br />
2327: <input type="hidden" name="sortposts" value="$sortposts" />
2328: <input type="hidden" name="userpick" value="$symb" />
2329: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2330: </form>
2331: $end_page
2332: END
2333: }
2334:
2335: sub get_post_versions {
2336: my ($versions,$incoming,$htmldecode,$numver) = @_;
2337: if ($incoming =~ /^<version num="0">/) {
2338: my $p = HTML::LCParser->new(\$incoming);
2339: my $done = 0;
2340:
2341: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2342: my $num = $token->[1]{num};
2343: my $text = $p->get_text("/version");
2344: if (defined($numver)) {
2345: if ($num == $numver) {
2346: if ($htmldecode) {
2347: $text = &HTML::Entities::decode($text);
2348: }
2349: $$versions{$numver}=$text;
2350: $done = 1;
2351: }
2352: } else {
2353: if ($htmldecode) {
2354: $text = &HTML::Entities::decode($text);
2355: }
2356: $$versions{$num}=$text;
2357: }
2358: }
2359: } else {
2360: if (!defined($numver)) {
2361: $numver = 0;
2362: }
2363: if ($htmldecode) {
2364: $$versions{$numver} = $incoming;
2365: } else {
2366: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2367: }
2368: }
2369: return;
2370: }
2371:
2372: sub get_post_attachments {
2373: my ($attachments,$attachmenturls) = @_;
2374: my $num;
2375: if ($attachmenturls =~ m/^<attachment id="0">/) {
2376: my $p = HTML::LCParser->new(\$attachmenturls);
2377: while (my $token = $p->get_tag("attachment","filename","post")) {
2378: if ($token->[0] eq "attachment") {
2379: $num = $token->[1]{id};
2380: %{$$attachments{$num}} =();
2381: } elsif ($token->[0] eq "filename") {
2382: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2383: } elsif ($token->[0] eq "post") {
2384: my $id = $token->[1]{id};
2385: $$attachments{$num}{$id} = $p->get_text("/post");
2386: }
2387: }
2388: } else {
2389: %{$$attachments{'0'}} = ();
2390: $$attachments{'0'}{'filename'} = $attachmenturls;
2391: $$attachments{'0'}{'0'} = 'n';
2392: }
2393:
2394: return;
2395: }
2396:
2397: sub fail_redirect {
2398: my ($r,$feedurl) = @_;
2399: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2400: my %lt = &Apache::lonlocal::texthash(
2401: 'sorr' => 'Sorry, no recipients ...',
2402: );
2403: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2404: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2405: {'redirect' => [2,$feedurl],
2406: 'only_body' => 1,}));
2407: $r->print(<<ENDFAILREDIR);
2408: <img align="right" src="$logo" />
2409: <b>$lt{'sorr'}</b>
2410: ENDFAILREDIR
2411: $r->print(&Apache::loncommon::end_page());
2412: }
2413:
2414: sub redirect_back {
2415: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2416: my $sorttag = '';
2417: my $roletag = '';
2418: my $statustag = '';
2419: my $sectag = '';
2420: my $grptag = '';
2421: my $userpicktag = '';
2422: my $qrystr = '';
2423: my $prevtag = '';
2424:
2425: &Apache::loncommon::content_type($r,'text/html');
2426: $r->send_http_header;
2427: &dewrapper(\$feedurl);
2428: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2429: if ($previous > 0) {
2430: $qrystr = 'previous='.$previous;
2431: if ($feedurl =~ /\?register=1/) {
2432: $feedurl .= '&'.$qrystr;
2433: } else {
2434: $feedurl .= '?'.$qrystr;
2435: }
2436: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2437: }
2438: if (defined($sort)) {
2439: my $sortqry = 'sortposts='.$sort;
2440: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2441: $feedurl .= '&'.$sortqry;
2442: } else {
2443: $feedurl .= '?'.$sortqry;
2444: }
2445: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2446: if (defined($numpicks)) {
2447: my $userpickqry = 'totposters='.$numpicks;
2448: $feedurl .= '&'.$userpickqry;
2449: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2450: } else {
2451: if (ref($sectionpick) eq 'ARRAY') {
2452: $feedurl .= '&sectionpick=';
2453: $sectag .= '<input type="hidden" name="sectionpick" value="';
2454: foreach my $sec (@{$sectionpick}) {
2455: $feedurl .= $sec.',';
2456: $sectag .= $sec.',';
2457: }
2458: $feedurl =~ s/,$//;
2459: $sectag =~ s/,$//;
2460: $sectag .= '" />';
2461: } else {
2462: $feedurl .= '&sectionpick='.$sectionpick;
2463: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2464: }
2465: if (ref($grouppick) eq 'ARRAY') {
2466: $feedurl .= '&grouppick=';
2467: $sectag .= '<input type="hidden" name="grouppick" value="';
2468: foreach my $grp (@{$grouppick}) {
2469: $feedurl .= $grp.',';
2470: $grptag .= $grp.',';
2471: }
2472: $feedurl =~ s/,$//;
2473: $grptag =~ s/,$//;
2474: $grptag .= '" />';
2475: } else {
2476: $feedurl .= '&grouppick='.$grouppick;
2477: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2478: }
2479: if (ref($rolefilter) eq 'ARRAY') {
2480: $feedurl .= '&rolefilter=';
2481: $roletag .= '<input type="hidden" name="rolefilter" value="';
2482: foreach my $role (@{$rolefilter}) {
2483: $feedurl .= $role.',';
2484: $roletag .= $role.',';
2485: }
2486: $feedurl =~ s/,$//;
2487: $roletag =~ s/,$//;
2488: $roletag .= '" />';
2489: } else {
2490: $feedurl .= '&rolefilter='.$rolefilter;
2491: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2492: }
2493: $feedurl .= '&statusfilter='.$statusfilter;
2494: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2495: }
2496: }
2497: my $grouptag;
2498: if ($group ne '') {
2499: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2500: my $refarg;
2501: if (exists($env{'form.ref'})) {
2502: $refarg = '&ref='.$env{'form.ref'};
2503: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2504: }
2505: if ($feedurl =~ /\?/) {
2506: $feedurl .= '&group='.$group.$refarg;
2507: } else {
2508: $feedurl .= '?group='.$group.$refarg;
2509: }
2510: }
2511: &Apache::lonenc::check_encrypt(\$feedurl);
2512: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2513: my %onload;
2514: my $start_page=
2515: &Apache::loncommon::start_page('Feedback sent',undef,
2516: {'redirect' => [0,$feedurl],
2517: 'only_body' => 1,
2518: 'add_entries' => \%onload});
2519: my $end_page = &Apache::loncommon::end_page();
2520: $r->print(<<ENDREDIR);
2521: $start_page
2522: <img align="right" src="$logo" />
2523: $typestyle
2524: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2525: $blog
2526: $toolarge
2527: <font color="red">$status</font>
2528: <form name="reldt" action="$feedurl" target="loncapaclient">
2529: $prevtag
2530: $sorttag
2531: $statustag
2532: $roletag
2533: $sectag
2534: $grptag
2535: $userpicktag
2536: $grouptag
2537: </form>
2538: $end_page
2539: ENDREDIR
2540: }
2541:
2542: sub no_redirect_back {
2543: my ($r,$feedurl) = @_;
2544: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2545:
2546: my %onload;
2547:
2548: my %body_options = ('only_body' => 1,
2549: 'bgcolor' => '#FFFFFF',
2550: 'add_entries' => \%onload,);
2551:
2552: if ($feedurl !~ m{^/adm/feedback}) {
2553: $body_options{'rediect'} = [2,$feedurl];
2554: }
2555: my $start_page=
2556: &Apache::loncommon::start_page('Feedback not sent',undef,
2557: \%body_options);
2558:
2559: my $end_page = &Apache::loncommon::end_page();
2560:
2561: &Apache::lonenc::check_encrypt(\$feedurl);
2562: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2563: $r->print (<<ENDNOREDIRTWO);
2564: $start_page
2565: <img align="right" src="$logo" />
2566: <b>$nofeed</b>
2567: <br />
2568: $end_page
2569: ENDNOREDIRTWO
2570: }
2571:
2572: sub screen_header {
2573: my ($feedurl,$symb) = @_;
2574: my $crscontent = &mt('Question/Comment/Feedback about course content');
2575: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2576: my $contribdisc = &mt('Contribution to course discussion of resource');
2577: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2578: my $namevis = &mt('name only visible to course faculty');
2579: my $crstype;
2580: if ($env{'request.course.id'}) {
2581: $crstype = &Apache::loncommon::course_type();
2582: if ($crstype eq 'Community') {
2583: $crscontent = &mt('Question/Comment/Feedback about community content');
2584: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2585: $contribdisc = &mt('Contribution to community discussion of resource');
2586: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2587: $namevis = &mt('name only visible to community facilitators');
2588: }
2589: }
2590: my $msgoptions='';
2591: my $discussoptions='';
2592: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2593: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2594: $msgoptions=
2595: '<p><label><input type="radio" name="discuss" value="author" /> '.
2596: &mt('Feedback to resource author').'</label></p>';
2597: }
2598: my %optionhash=();
2599: foreach my $type ('question','comment','policy') {
2600: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2601: }
2602: if (&feedback_available(1)) {
2603: $msgoptions.=
2604: '<p><label><input type="radio" name="discuss" value="question" /> '.
2605: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2606: }
2607: if (&feedback_available(0,1)) {
2608: $msgoptions.=
2609: '<p><label><input type="radio" name="discuss" value="course" /> '.
2610: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2611: '</label></p>';
2612: }
2613: if (&feedback_available(0,0,1)) {
2614: $msgoptions.=
2615: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2616: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2617: '</label></p>';
2618: }
2619: }
2620: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2621: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2622: if (!$blocked && &discussion_open(undef,$symb) &&
2623: &Apache::lonnet::allowed('pch',
2624: $env{'request.course.id'}.
2625: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2626: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2627: $contribdisc.
2628: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2629: $anoncontrib.
2630: ' <i>('.$namevis.')</i></label> '.
2631: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2632: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2633: if (!$blockblog) {
2634: $discussoptions.= &add_blog_checkbox($crstype);
2635: }
2636: }
2637: }
2638: if ($msgoptions) {
2639: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
2640: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2641: .$msgoptions;
2642: }
2643: if ($discussoptions) {
2644: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2645: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2646: .$discussoptions;
2647: }
2648: return $msgoptions.$discussoptions;
2649: }
2650:
2651: sub resource_output {
2652: my ($feedurl) = @_;
2653: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2654: $usersaw=~s/\<body[^\>]*\>//gi;
2655: $usersaw=~s/\<\/body\>//gi;
2656: $usersaw=~s/\<html\>//gi;
2657: $usersaw=~s/\<\/html\>//gi;
2658: $usersaw=~s/\<head\>//gi;
2659: $usersaw=~s/\<\/head\>//gi;
2660: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2661: return $usersaw;
2662: }
2663:
2664: sub clear_out_html {
2665: my ($message,$override,$ignore_htmlarea)=@_;
2666: if (!$ignore_htmlarea
2667: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2668: # Always allow the <m>-tag
2669: my %html=(M=>1);
2670: # Check if more is allowed
2671: my $cid=$env{'request.course.id'};
2672: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2673: ($override)) {
2674: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2675: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2676: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2677: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2678: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2679: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2680: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2681: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2682: }
2683: # Do the substitution of everything that is not explicitly allowed
2684: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2685: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2686: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2687: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2688: return $message;
2689: }
2690:
2691: sub assemble_email {
2692: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2693: my %lt = &Apache::lonlocal::texthash(
2694: 'prev' => 'Previous attempts of student (if applicable)',
2695: 'orig' => 'Original screen output (if applicable)',
2696: 'corr' => 'Correct Answer(s) (if applicable)',
2697: );
2698: if (&Apache::loncommon::course_type() eq 'Community') {
2699: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2700: }
2701: my $email=<<"ENDEMAIL";
2702: $message
2703: ENDEMAIL
2704: my $citations=<<"ENDCITE";
2705: <h2>$lt{'prev'}</h2>
2706: $prevattempts
2707: <br /><hr />
2708: <h2>$lt{'orig'}</h2>
2709: $usersaw
2710: <h2>$lt{'corr'}</h2>
2711: $useranswer
2712: ENDCITE
2713: return ($email,$citations);
2714: }
2715:
2716:
2717: sub feedback_available {
2718: my ($question,$course,$policy)=@_;
2719: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2720: $course,$policy);
2721: return scalar(%to);
2722: }
2723:
2724: sub send_msg {
2725: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2726: my $status='';
2727: my $sendsomething=0;
2728: my $restitle = &get_resource_title($symb,$feedurl);
2729: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2730: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2731: foreach my $key (keys(%to)) {
2732: if ($key) {
2733: my ($user,$domain) = split(/\:/,$key,2);
2734: if (!defined($user)) {
2735: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2736: } elsif (!defined($domain)) {
2737: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2738: } else {
2739: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2740: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2741: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2742: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2743: } else {
2744: $sendsomething++;
2745: }
2746: }
2747: }
2748: }
2749:
2750:
2751: my %record=&Apache::lonnet::restore('_feedback');
2752: my ($temp)=keys(%record);
2753: unless ($temp=~/^error\:/) {
2754: my %newrecord=();
2755: $newrecord{'resource'}=$feedurl;
2756: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2757: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2758: $status.='<br />'.&mt('Not registered').'<br />';
2759: }
2760: }
2761:
2762: return ($status,$sendsomething);
2763: }
2764:
2765: sub adddiscuss {
2766: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2767: my $status='';
2768: my $realsymb;
2769: if ($symb=~/^bulletin___/) {
2770: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2771: $filename=~s|^adm/wrapper/||;
2772: $realsymb=&Apache::lonnet::symbread($filename);
2773: }
2774: if (&discussion_open(undef,$realsymb) &&
2775: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2776: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2777:
2778: my %contrib=('message' => $email,
2779: 'sendername' => $env{'user.name'},
2780: 'senderdomain' => $env{'user.domain'},
2781: 'screenname' => $env{'environment.screenname'},
2782: 'plainname' => $env{'environment.firstname'}.' '.
2783: $env{'environment.middlename'}.' '.
2784: $env{'environment.lastname'}.' '.
2785: $env{'enrironment.generation'},
2786: 'attachmenturl'=> $attachmenturl,
2787: 'subject' => $subject);
2788: if ($env{'form.replydisc'}) {
2789: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2790: }
2791: if ($anon) {
2792: $contrib{'anonymous'}='true';
2793: }
2794: if (($symb) && ($email)) {
2795: my $now = time;
2796: if ($env{'form.editdisc'}) {
2797: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2798: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2799: $contrib{'timestamp'} = $now;
2800: $contrib{'history'} = '';
2801: my $numoldver = 0;
2802: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2803: &Apache::lonenc::check_decrypt(\$oldsymb);
2804: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2805: # get timestamp for last post and history
2806: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2807: $env{'course.'.$env{'request.course.id'}.'.domain'},
2808: $env{'course.'.$env{'request.course.id'}.'.num'});
2809: if (defined($oldcontrib{$oldidx.':replyto'})) {
2810: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2811: }
2812: if (defined($oldcontrib{$oldidx.':history'})) {
2813: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2814: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2815: $numoldver = @oldversions;
2816: } else {
2817: $numoldver = 1;
2818: }
2819: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2820: }
2821: my $numnewver = $numoldver + 1;
2822: if (defined($oldcontrib{$oldidx.':subject'})) {
2823: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2824: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2825: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2826: } else {
2827: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2828: }
2829: }
2830: if (defined($oldcontrib{$oldidx.':message'})) {
2831: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2832: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2833: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2834: } else {
2835: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2836: }
2837: }
2838: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2839: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2840: $oldsymb,$oldidx,\%contrib,
2841: $env{'course.'.$env{'request.course.id'}.'.domain'},
2842: $env{'course.'.$env{'request.course.id'}.'.num'});
2843: $status='Editing class discussion'.($anon?' (anonymous)':'');
2844: } else {
2845: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2846: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2847: $env{'course.'.$env{'request.course.id'}.'.domain'},
2848: $env{'course.'.$env{'request.course.id'}.'.num'});
2849: }
2850: my %storenewentry=($symb => $now);
2851: $status.='<br />'.&mt('Updating discussion time').': '.
2852: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2853: $env{'course.'.$env{'request.course.id'}.'.domain'},
2854: $env{'course.'.$env{'request.course.id'}.'.num'});
2855: }
2856: my %record=&Apache::lonnet::restore('_discussion');
2857: my ($temp)=keys(%record);
2858: unless ($temp=~/^error\:/) {
2859: my %newrecord=();
2860: $newrecord{'resource'}=$symb;
2861: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2862: $status.='<br />'.&mt('Registering').': '.
2863: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2864: }
2865: } else {
2866: $status.='Failed.';
2867: }
2868: return $status.'<br />';
2869: }
2870:
2871: sub get_discussion_info {
2872: my ($idx,%contrib) = @_;
2873: my $changelast = 0;
2874: my $count = 0;
2875: my $hiddenflag = 0;
2876: my $deletedflag = 0;
2877: my ($hidden,$deleted,%info,$newlastdisc);
2878: my $version = $contrib{'version'};
2879: if ($version) {
2880: for (my $id=$version; $id>0; $id--) {
2881: my $vkeys=$contrib{$id.':keys'};
2882: my @keys=split(/:/,$vkeys);
2883: if (grep(/^hidden$/,@keys)) {
2884: if (!$hiddenflag) {
2885: $hidden = $contrib{$id.':hidden'};
2886: $hiddenflag = 1;
2887: }
2888: } elsif (grep(/^deleted$/,@keys)) {
2889: if (!$deletedflag) {
2890: $deleted = $contrib{$id.':deleted'};
2891: $deletedflag = 1;
2892: }
2893: } else {
2894: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2895: $count++;
2896: $info{$count}{'id'} = $id;
2897: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2898: }
2899: }
2900: }
2901: if ($info{'1'}{'id'} == $idx) {
2902: $changelast = 1;
2903: if ($count > 1) {
2904: $newlastdisc = $info{'2'}{'timestamp'};
2905: } else {
2906: $newlastdisc = 0;
2907: }
2908: }
2909: }
2910: return ($changelast,$newlastdisc);
2911: }
2912:
2913: # ----------------------------------------------------------- Preview function
2914:
2915: sub show_preview {
2916: my ($r) = @_;
2917: &Apache::loncommon::content_type($r,'text/html');
2918: $r->send_http_header;
2919: my $start_page=
2920: &Apache::loncommon::start_page('Preview',undef,
2921: {'only_body' => 1,});
2922:
2923: my $message=&clear_out_html($env{'form.comment'});
2924: &newline_to_br(\$message);
2925: $message=&Apache::lonspeller::markeduptext($message);
2926: $message=&Apache::lontexconvert::msgtexconverted($message);
2927: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2928: $subject=~s/\n/\<br \/\>/g;
2929: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2930:
2931: my $end_page = &Apache::loncommon::end_page();
2932:
2933: $r->print($start_page
2934: .'<h1>'.&mt('Preview').'</h1>'
2935: .&Apache::lonhtmlcommon::start_pick_box()
2936: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2937: .$subject
2938: .&Apache::lonhtmlcommon::row_closure()
2939: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2940: .$message
2941: .&Apache::lonhtmlcommon::row_closure(1)
2942: .&Apache::lonhtmlcommon::end_pick_box()
2943: .$end_page
2944: );
2945: }
2946:
2947: sub contains_block_html {
2948: my ($message)=@_;
2949: return ($message =~ m{
2950: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2951: \s*
2952: (\w+\=['"]\w+['"])*
2953: \s*
2954: (
2955: \s*/>|
2956: >.*</\1\s*>
2957: )}xs
2958: );
2959: }
2960:
2961: sub tidy_html {
2962: my ($message)=@_;
2963: # my $tidy = HTML::Tidy::libXML->new();
2964: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
2965: # $xhtml =~ m/<body>(.*)<\/body>/is;
2966: # my $clean = $1;
2967: # # remove any empty block-level tags
2968: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
2969: # $message=$clean;
2970: return $message;
2971: }
2972:
2973: sub newline_to_br {
2974: my ($message)=@_;
2975: my $newmessage;
2976: my $parser=HTML::LCParser->new($message);
2977: while (my $token=$parser->get_token()) {
2978: if ($token->[0] eq 'T') {
2979: my $text=$token->[1];
2980: $text=~s/\n/\<br \/\>/g;
2981: $newmessage.=$text;
2982: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2983: $newmessage.=$token->[1];
2984: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2985: $newmessage.=$token->[2];
2986: } elsif ($token->[0] eq 'S') {
2987: $newmessage.=$token->[4];
2988: }
2989:
2990: }
2991: $$message=$newmessage;
2992: }
2993:
2994: sub generate_preview_button {
2995: my ($formname,$fieldname)=@_;
2996: unless ($formname) { $formname='mailform'; }
2997: unless ($fieldname) { $fieldname='comment'; }
2998: my $pre=&mt("Show Preview and Check Spelling");
2999: return(<<ENDPREVIEW);
3000: <br />
3001: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3002: <input type="hidden" name="subject" />
3003: <input type="hidden" name="comment" />
3004: <input type="button" value="$pre"
3005: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3006: </form>
3007: ENDPREVIEW
3008: }
3009:
3010: sub modify_attachments {
3011: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3012: $attachmaxtext,$toolarge)=@_;
3013:
3014: my %lt = &Apache::lonlocal::texthash(
3015: 'subj' => 'Subject',
3016: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3017: 'chth' => 'Check the checkboxes for any you wish to remove.',
3018: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3019: 'adda' => 'Add a new attachment to this post.',
3020: 'stch' => 'Save Changes',
3021: );
3022: my $js = <<END;
3023: <script type="text/javascript">
3024: function setAction () {
3025: document.modattachments.action = document.modattachments.origpage.value;
3026: document.modattachments.submit();
3027: }
3028: </script>
3029: END
3030:
3031: # Breadcrumbs
3032: my $brcrum = [{'href' => '',
3033: 'text' => 'Discussion Post Attachments'}];
3034: my $start_page =
3035: &Apache::loncommon::start_page('Discussion Post Attachments',$js,
3036: {'bread_crumbs' => $brcrum,});
3037:
3038: my $orig_subject = &unescape($env{'form.subject'});
3039: my $subject=&clear_out_html($orig_subject,undef,1);
3040: $subject=~s/\n/\<br \/\>/g;
3041: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3042: my $timestamp=$env{'form.timestamp'};
3043: my $numoldver=$env{'form.numoldver'};
3044:
3045: my $msg = '';
3046: my %attachments = ();
3047: my %currattach = ();
3048: if ($idx) {
3049: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3050: }
3051: &Apache::lonenc::check_encrypt(\$symb);
3052:
3053: my $end_page =
3054: &Apache::loncommon::end_page();
3055:
3056: $r->print(<<END);
3057: $start_page
3058: $toolarge
3059: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3060: <br />
3061: <table class="LC_data_table">
3062: <tr>
3063: <td colspan="2">
3064: <b>Subject:</b> <b>$subject</b><br /><br />
3065: END
3066: if ($idx) {
3067: if ($attachmenturls) {
3068: my @currold = keys(%currattach);
3069: if (@currold > 0) {
3070: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3071: foreach my $id (@currold) {
3072: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3073: $attachurl =~ m#/([^/]+)$#;
3074: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3075: }
3076: $r->print("<br />");
3077: }
3078: }
3079: }
3080: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3081: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3082: foreach my $attach (@{$currnewattach}) {
3083: $attach =~ m#/([^/]+)$#;
3084: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3085: }
3086: $r->print("<br />");
3087: }
3088: $r->print(<<END);
3089: </td></tr>
3090: <tr>
3091: <td>
3092: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3093: </td>
3094: </tr>
3095: <tr>
3096: <td colspan="2">$attachmaxtext</td>
3097: </tr>
3098: </table>
3099: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3100: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3101: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3102: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3103: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3104: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3105: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3106: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3107: END
3108: foreach my $item (@{$currnewattach}) {
3109: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3110: }
3111: foreach my $item (@{$currdelold}) {
3112: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3113: }
3114: $r->print(<<END);
3115: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3116: </form>
3117: $end_page
3118: END
3119: return;
3120: }
3121:
3122: sub process_attachments {
3123: my ($currnewattach,$currdelold,$keepold) = @_;
3124:
3125: @{$currnewattach}=
3126: &Apache::loncommon::get_env_multiple('form.currnewattach');
3127: @{$currdelold}=
3128: &Apache::loncommon::get_env_multiple('form.deloldattach');
3129: if (exists($env{'form.delnewattach'})) {
3130: my @currdelnew =
3131: &Apache::loncommon::get_env_multiple('form.delnewattach');
3132: my @currnew = ();
3133: foreach my $newone (@{$currnewattach}) {
3134: my $delflag = 0;
3135: foreach my $item (@currdelnew) {
3136: if ($newone eq $item) {
3137: $delflag = 1;
3138: last;
3139: }
3140: }
3141: unless ($delflag) {
3142: push(@currnew, $newone);
3143: }
3144: }
3145: @{$currnewattach} = @currnew;
3146: }
3147: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3148: }
3149:
3150: sub generate_attachments_button {
3151: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3152: $numoldver,$mode,$blockblog) = @_;
3153: my $origpage = $ENV{'REQUEST_URI'};
3154: my $att=$attachnum.' '.&mt("attachments");
3155: my %lt = &Apache::lonlocal::texthash(
3156: 'clic' => 'Click to add/remove attachments',
3157: );
3158: my $response = (<<END);
3159: <br />
3160: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3161: $lt{'clic'}: <input type="button" value="$att"
3162: onclick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);
3163: END
3164: if (!$blockblog) {
3165: $response .= 'setblogvalue();';
3166: }
3167: unless ($mode eq 'board') {
3168: $response .= 'javascript:anonchk();';
3169: }
3170: $response .= (<<ENDATTACH);
3171: this.form.submit();" />
3172: <input type="hidden" name="origpage" value="$origpage" />
3173: <input type="hidden" name="idx" value="$idx" />
3174: <input type="hidden" name="timestamp" value="$now" />
3175: <input type="hidden" name="subject" />
3176: <input type="hidden" name="comment" />
3177: <input type="hidden" name="blog" value="0" />
3178: <input type="hidden" name="discuss" value="0" />
3179: <input type="hidden" name="numoldver" value="$numoldver" />
3180: ENDATTACH
3181: if (defined($deloldattach)) {
3182: if (@{$deloldattach} > 0) {
3183: foreach my $delatt (@{$deloldattach}) {
3184: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3185: }
3186: }
3187: }
3188: if (defined($currnewattach)) {
3189: if (@{$currnewattach} > 0) {
3190: foreach my $attach (@{$currnewattach}) {
3191: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3192: }
3193: }
3194: }
3195: $response .= '</form>';
3196: return $response;
3197: }
3198:
3199: sub extract_attachments {
3200: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3201: %{$attachments}=();
3202: &get_post_attachments($attachments,$attachmenturls);
3203: foreach my $id (sort(keys(%{$attachments}))) {
3204: if (exists($$attachments{$id}{$numoldver})) {
3205: if (defined($currdelold)) {
3206: if (@{$currdelold} > 0) {
3207: unless (grep/^$id$/,@{$currdelold}) {
3208: $$currattach{$id} = $$attachments{$id}{$numoldver};
3209: }
3210: } else {
3211: $$currattach{$id} = $$attachments{$id}{$numoldver};
3212: }
3213: } else {
3214: $$currattach{$id} = $$attachments{$id}{$numoldver};
3215: }
3216: }
3217: }
3218: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3219: if (@attached == 1) {
3220: my $id = $attached[0];
3221: my $attachurl;
3222: if ($attachmenturls =~ m/^<attachment id="0">/) {
3223: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3224: } else {
3225: $attachurl = $$attachments{$id}{'filename'};
3226: }
3227: $attachurl=~m|/([^/]+)$|;
3228: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3229: $1.'</tt></a><br />';
3230: &Apache::lonnet::allowuploaded('/adm/feedback',
3231: $attachurl);
3232: } elsif (@attached > 1) {
3233: $$message.='<ol>';
3234: foreach my $attach (@attached) {
3235: my $id = $attach;
3236: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3237: my ($fname)
3238: =($attachurl=~m|/([^/]+)$|);
3239: $$message .= '<li><a href="'.$attachurl.
3240: '"><tt>'.
3241: $fname.'</tt></a></li>';
3242: &Apache::lonnet::allowuploaded('/adm/feedback',
3243: $attachurl);
3244: }
3245: $$message .= '</ol>';
3246: }
3247: }
3248:
3249: sub construct_attachmenturl {
3250: my ($currnewattach,$keepold,$symb,$idx)=@_;
3251: my $oldattachmenturl;
3252: my $newattachmenturl;
3253: my $startnum = 0;
3254: my $currver = 0;
3255: if (($env{'form.editdisc'}) && ($idx)) {
3256: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3257: $env{'course.'.$env{'request.course.id'}.'.domain'},
3258: $env{'course.'.$env{'request.course.id'}.'.num'});
3259: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3260: if ($contrib{$idx.':history'}) {
3261: if ($contrib{$idx.':history'} =~ /:/) {
3262: my @oldversions = split(/:/,$contrib{$idx.':history'});
3263: $currver = 1 + scalar(@oldversions);
3264: } else {
3265: $currver = 2;
3266: }
3267: } else {
3268: $currver = 1;
3269: }
3270: if ($oldattachmenturl) {
3271: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3272: my %attachments = ();
3273: my $prevver = $currver-1;
3274: &get_post_attachments(\%attachments,$oldattachmenturl);
3275: my $numattach = scalar(keys(%attachments));
3276: $startnum += $numattach;
3277: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3278: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3279: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3280: unless ($item eq 'filename') {
3281: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3282: }
3283: }
3284: if (grep/^$num$/,@{$keepold}) {
3285: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3286: }
3287: $newattachmenturl .= '</attachment>';
3288: }
3289: } else {
3290: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3291: unless (grep/^0$/,@{$keepold}) {
3292: $newattachmenturl .= '<post id="1">n</post>';
3293: }
3294: $newattachmenturl .= '</attachment>';
3295: $startnum ++;
3296: }
3297: }
3298: }
3299: for (my $i=0; $i<@{$currnewattach}; $i++) {
3300: my $attachnum = $startnum + $i;
3301: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3302: }
3303: return $newattachmenturl;
3304: }
3305:
3306: sub add_blog_checkbox {
3307: my ($crstype) = @_;
3308: my $checkstatus;
3309: if ($env{'form.blog'}) {
3310: $checkstatus = 'checked="checked"';
3311: }
3312: my $output = '
3313: <script type="text/javascript">
3314: function setblogvalue() {
3315: if (document.mailform.blog.checked) {
3316: document.attachment.blog.value = 1;
3317: } else {
3318: document.attachment.blog.value = 0;
3319: }
3320: }
3321: </script><br />
3322: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3323: if ($crstype eq 'Community') {
3324: $output .= &mt('Add to my public community blog');
3325: } else {
3326: $output .= &mt('Add to my public course blog');
3327: }
3328: $output .= '</label><br />'."\n";
3329: return $output;
3330: }
3331:
3332: sub has_discussion {
3333: my $resourcesref = shift;
3334: my $navmap = Apache::lonnavmaps::navmap->new();
3335: if (defined($navmap)) {
3336: my @allres=$navmap->retrieveResources();
3337: foreach my $resource (@allres) {
3338: if ($resource->hasDiscussion()) {
3339: my $ressymb = $resource->wrap_symb();
3340: if (ref($resourcesref) eq 'ARRAY') {
3341: push(@{$resourcesref}, $ressymb);
3342: }
3343: }
3344: }
3345: } else {
3346: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3347: }
3348: return;
3349: }
3350:
3351: sub sort_filter_names {
3352: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3353: if (ref($sort_types) eq 'HASH') {
3354: %{$sort_types} = (
3355: ascdate => 'Date order - oldest first',
3356: descdate => 'Date order - newest first',
3357: thread => 'Threaded',
3358: subject => 'By subject',
3359: username => 'By domain and username',
3360: lastfirst => 'By last name, first name'
3361: );
3362: }
3363: my @courseroles = qw(st in ta ep ad);
3364: if ($crstype eq 'Community') {
3365: push(@courseroles,'co');
3366: } else {
3367: push(@courseroles,'cc');
3368: }
3369: if (ref($role_types) eq 'HASH') {
3370: foreach my $role (@courseroles) {
3371: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3372: }
3373: $role_types->{'all'} = 'All roles';
3374: $role_types->{'cr'} = 'Custom role';
3375: }
3376: if (ref($status_types) eq 'HASH') {
3377: %{$status_types} = (
3378: all => 'Roles of any status',
3379: Active => 'Only active roles',
3380: Expired => 'Only past roles',
3381: Future => 'Only future roles',
3382: );
3383: }
3384: }
3385:
3386: sub handler {
3387: my $r = shift;
3388: if ($r->header_only) {
3389: &Apache::loncommon::content_type($r,'text/html');
3390: $r->send_http_header;
3391: return OK;
3392: }
3393:
3394: # --------------------------- Get query string for limited number of parameters
3395:
3396: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3397: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']);
3398: my $group = $env{'form.group'};
3399: my %attachmax = (
3400: text => &mt('(128 KB max size)'),
3401: num => 131072,
3402: );
3403: if ($env{'form.editdisc'}) {
3404: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3405: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3406: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3407: my $feedurl=&Apache::lonnet::clutter($url);
3408: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3409: undef,undef,undef,$group);
3410: return OK;
3411: }
3412: }
3413: if ($env{'form.discsymb'}) {
3414: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3415: my $readkey = $symb.'_read';
3416: my $chgcount = 0;
3417: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3418: foreach my $key (keys(%env)) {
3419: if ($key =~ m/^form\.postunread_(\d+)/) {
3420: if ($readinghash{$readkey} =~ /\.$1\./) {
3421: $readinghash{$readkey} =~ s/\.$1\.//;
3422: $chgcount ++;
3423: }
3424: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3425: unless ($readinghash{$readkey} =~ /\.$1\./) {
3426: $readinghash{$readkey} .= '.'.$1.'.';
3427: $chgcount ++;
3428: }
3429: }
3430: }
3431: if ($chgcount > 0) {
3432: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3433: \%readinghash,$env{'user.domain'},$env{'user.name'});
3434: }
3435: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3436: '0','0','','',$env{'form.previous'},'','','',
3437: undef,undef,undef,$group);
3438: return OK;
3439: }
3440: if ($env{'form.allversions'}) {
3441: &Apache::loncommon::content_type($r,'text/html');
3442: &Apache::loncommon::no_cache($r);
3443: $r->send_http_header;
3444:
3445: # Breadcrumbs
3446: my $brcrum = [{'href' => '',
3447: 'text' => 'Discussion Post Versions'}];
3448:
3449: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
3450: {'bread_crumbs' => $brcrum,})
3451: );
3452:
3453: my $crs='/'.$env{'request.course.id'};
3454: if ($env{'request.course.sec'}) {
3455: $crs.='_'.$env{'request.course.sec'};
3456: }
3457: $crs=~s|_|/|g;
3458: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3459: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3460: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3461: ($symb)=&get_feedurl_and_clean_symb($symb);
3462: my $ressymb = &wrap_symb($symb);
3463: my $group = $env{'form.group'};
3464: my $seeid;
3465: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3466: if (&check_group_priv($group,'dgp') eq 'ok') {
3467: $seeid = 1;
3468: }
3469: } else {
3470: $seeid = &Apache::lonnet::allowed('rin',$crs);
3471: }
3472: if ($idx > 0) {
3473: my %messages = ();
3474: my %subjects = ();
3475: my %attachmsgs = ();
3476: my %allattachments = ();
3477: my %imsfiles = ();
3478: my ($screenname,$plainname);
3479: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3480: $env{'course.'.$env{'request.course.id'}.'.domain'},
3481: $env{'course.'.$env{'request.course.id'}.'.num'});
3482: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3483: }
3484: $r->print(&Apache::loncommon::end_page());
3485: return OK;
3486: }
3487: if ($env{'form.posterlist'}) {
3488: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3489: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3490: $env{'form.sortposts'});
3491: return OK;
3492: }
3493: if ($env{'form.userpick'}) {
3494: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3495: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3496: my $numpicks = @posters;
3497: my %discinfo;
3498: $discinfo{$symb.'_userpick'} = join('&',@posters);
3499: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3500: \%discinfo,$env{'user.domain'},$env{'user.name'});
3501: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3502: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3503: '',$numpicks,$group);
3504: return OK;
3505: }
3506: if ($env{'form.applysort'}) {
3507: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3508: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3509: '',$env{'form.previous'},$env{'form.sortposts'},
3510: $env{'form.rolefilter'},$env{'form.statusfilter'},
3511: $env{'form.sectionpick'},$env{'form.grouppick'},
3512: undef,$group);
3513: return OK;
3514: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3515: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3516: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3517: return OK;
3518: } elsif ($env{'form.navtime'}) {
3519: my %discinfo = ();
3520: my @resources = ();
3521: if (defined($env{'form.navmaps'})) {
3522: if ($env{'form.navmaps'} =~ /:/) {
3523: @resources = split(/:/,$env{'form.navmaps'});
3524: } else {
3525: @resources = ("$env{'form.navmaps'}");
3526: }
3527: } else {
3528: &has_discussion(\@resources);
3529: }
3530: my $numitems = @resources;
3531: my $feedurl = '/adm/navmaps';
3532: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3533: my %lt = &Apache::lonlocal::texthash(
3534: 'mnpa' => 'Marked "New" posts as read in a total of',
3535: 'robb' => 'resources/bulletin boards.',
3536: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3537: );
3538: foreach my $res (@resources) {
3539: my $ressymb=$res;
3540: &Apache::lonenc::check_decrypt(\$ressymb);
3541: my $lastkey = $ressymb.'_lastread';
3542: $discinfo{$lastkey} = $env{'form.navtime'};
3543: }
3544: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3545: if ($numitems > 0) {
3546: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3547: \%discinfo,$env{'user.domain'},$env{'user.name'});
3548: } else {
3549: $textline = "<b>$lt{'twnp'}</b>";
3550: }
3551: &Apache::loncommon::content_type($r,'text/html');
3552: $r->send_http_header;
3553: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3554: my %onload;
3555:
3556: my $start_page=
3557: &Apache::loncommon::start_page('New posts marked as read',undef,
3558: {'redirect' => [2,$feedurl],
3559: 'only_body' => 1,
3560: 'add_entries' => \%onload});
3561: my $end_page = &Apache::loncommon::end_page();
3562: $r->print (<<ENDREDIR);
3563: $start_page
3564: <img align="right" src="$logo" />
3565: $textline
3566: <form name="reldt" action="$feedurl" target="loncapaclient">
3567: </form>
3568: <br />
3569: $end_page
3570: ENDREDIR
3571: return OK;
3572: } elsif ($env{'form.modifydisp'}) {
3573: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3574: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3575: split(/_/,$env{'form.changes'});
3576: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3577: $dispchgB,$markchg,$toggchg,$feedurl);
3578: return OK;
3579: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3580: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3581: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3582: $env{'form.toggon'} || $env{'form.markread'}) {
3583: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3584: my %discinfo;
3585: # ------------------------ Modify setting for read/unread toggle for each post
3586: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3587: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3588: # --------- Modify setting for identification of 'NEW' posts in this discussion
3589: if ($env{'form.markondisp'}) {
3590: $discinfo{$symb.'_lastread'} = time;
3591: $discinfo{$symb.'_markondisp'} = 1;
3592: }
3593: if ($env{'form.markonread'}) {
3594: if ( $env{'form.previous'} > 0 ) {
3595: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3596: }
3597: $discinfo{$symb.'_markondisp'} = 0;
3598: }
3599: # --------------------------------- Modify display setting for this discussion
3600: if ($env{'form.allposts'}) {
3601: $discinfo{$symb.'_showonlyunread'} = 0;
3602: $discinfo{$symb.'_showonlyunmark'} = 0;
3603: }
3604: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3605: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3606: # ----------------------------------------------------- Mark new posts not NEW
3607: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3608: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3609: \%discinfo,$env{'user.domain'},$env{'user.name'});
3610: my $previous=$env{'form.previous'};
3611: if ($env{'form.markondisp'}) { $previous=undef; }
3612: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3613: '0','0','','',$previous,'','','','','','',$group);
3614: return OK;
3615: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3616: # ----------------------------------------------------------------- Hide/unhide
3617: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3618: my ($symb,$idx)=split(/\:\:\:/,$entry);
3619: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3620:
3621: my $crs='/'.$env{'request.course.id'};
3622: if ($env{'request.course.sec'}) {
3623: $crs.='_'.$env{'request.course.sec'};
3624: }
3625: $crs=~s/\_/\//g;
3626: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3627:
3628: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3629: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3630: undef,undef,$group,);
3631: return OK;
3632: }
3633:
3634: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3635: $env{'course.'.$env{'request.course.id'}.'.domain'},
3636: $env{'course.'.$env{'request.course.id'}.'.num'});
3637:
3638: my $currenthidden=$contrib{'hidden'};
3639: my $currentstudenthidden=$contrib{'studenthidden'};
3640:
3641: if ($env{'form.hide'}) {
3642: $currenthidden.='.'.$idx.'.';
3643: unless ($seeid) {
3644: $currentstudenthidden.='.'.$idx.'.';
3645: }
3646: } else {
3647: $currenthidden=~s/\.$idx\.//g;
3648: }
3649: my %newhash=('hidden' => $currenthidden);
3650: if ( ($env{'form.hide'}) && (!$seeid) ) {
3651: $newhash{'studenthidden'} = $currentstudenthidden;
3652: }
3653: if ($env{'form.hide'}) {
3654: my $changelast = 0;
3655: my $newlast;
3656: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3657: if ($changelast) {
3658: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3659: $env{'course.'.$env{'request.course.id'}.'.domain'},
3660: $env{'course.'.$env{'request.course.id'}.'.num'});
3661: }
3662: }
3663: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3664: $env{'course.'.$env{'request.course.id'}.'.domain'},
3665: $env{'course.'.$env{'request.course.id'}.'.num'});
3666:
3667: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3668: '0','0','','',$env{'form.previous'},undef,undef,undef,
3669: undef,undef,undef,$group);
3670: return OK;
3671: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3672: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3673: if ($env{'form.cmd'} eq 'threadedon') {
3674: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3675: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3676: } else {
3677: &Apache::lonnet::del('environment',['threadeddiscussion']);
3678: &Apache::lonnet::delenv('environment.threadeddiscussion');
3679: }
3680: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3681: '0','0','','',$env{'form.previous'},undef,undef,undef,
3682: undef,undef,undef,$group);
3683: return OK;
3684: } elsif ($env{'form.deldisc'}) {
3685: # --------------------------------------------------------------- Hide for good
3686: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3687: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3688: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3689: $env{'course.'.$env{'request.course.id'}.'.domain'},
3690: $env{'course.'.$env{'request.course.id'}.'.num'});
3691: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3692: if ($changelast) {
3693: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3694: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3695: }
3696: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3697: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3698: $env{'course.'.$env{'request.course.id'}.'.domain'},
3699: $env{'course.'.$env{'request.course.id'}.'.num'});
3700: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3701: '0','0','','',$env{'form.previous'},undef,undef,undef,
3702: undef,undef,undef,$group);
3703: return OK;
3704: } elsif ($env{'form.preview'}) {
3705: # -------------------------------------------------------- User wants a preview
3706: &show_preview($r);
3707: return OK;
3708: } elsif ($env{'form.attach'}) {
3709: # -------------------------------------------------------- Work on attachments
3710: &Apache::loncommon::content_type($r,'text/html');
3711: $r->send_http_header;
3712: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3713: my (@currnewattach,@currdelold,@keepold,$toolarge);
3714: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3715: if (exists($env{'form.addnewattach.filename'})) {
3716: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3717: my $subdir = 'feedback/'.$env{'form.timestamp'};
3718: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3719: push(@currnewattach, $newattachment);
3720: } else {
3721: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3722: }
3723: }
3724: my $attachmenturls;
3725: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3726: my $idx = $env{'form.idx'};
3727: if ($idx) {
3728: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3729: $env{'course.'.$env{'request.course.id'}.'.domain'},
3730: $env{'course.'.$env{'request.course.id'}.'.num'});
3731: $attachmenturls = $contrib{$idx.':attachmenturl'};
3732: }
3733: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3734: $attachmenturls,$attachmax{'text'},$toolarge);
3735: return OK;
3736: } elsif ($env{'form.export'}) {
3737: &Apache::loncommon::content_type($r,'text/html');
3738: $r->send_http_header;
3739: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3740: my $mode='board';
3741: my $status='OPEN';
3742: my $previous=$env{'form.previous'};
3743: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3744: $mode='problem';
3745: $status=$Apache::inputtags::status[-1];
3746: }
3747: my $discussion = &list_discussion($mode,$status,$symb);
3748: my $start_page =
3749: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3750: my $end_page =
3751: &Apache::loncommon::end_page();
3752: $r->print($start_page.$discussion.$end_page);
3753: return OK;
3754: } else {
3755: # ------------------------------------------------------------- Normal feedback
3756: my $feedurl=$env{'form.postdata'};
3757: $feedurl=~s/^https?\:\/\///;
3758: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3759: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3760: $feedurl=~s/\?.+$//;
3761:
3762: my $symb;
3763: if ($env{'form.replydisc'}) {
3764: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3765: } elsif ($env{'form.editdisc'}) {
3766: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3767: } elsif ($env{'form.origpage'}) {
3768: $symb="";
3769: } else {
3770: $symb=&Apache::lonnet::symbread($feedurl);
3771: }
3772: unless ($symb) {
3773: $symb=$env{'form.symb'};
3774: }
3775: if (defined($symb)) {
3776: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3777: } else {
3778: # backward compatibility (bulletin boards used to be 'wrapped')
3779: &Apache::lonenc::check_decrypt(\$feedurl);
3780: &dewrapper(\$feedurl);
3781: }
3782: my $goahead=1;
3783: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3784: unless ($symb) { $goahead=0; }
3785: }
3786: if (!$goahead) {
3787: # Ambiguous Problem Resource
3788: $r->internal_redirect('/adm/ambiguous');
3789: return OK;
3790: }
3791: # Go ahead with feedback, no ambiguous reference
3792: unless (
3793: (
3794: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3795: )
3796: ||
3797: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3798: ||
3799: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3800: ) {
3801: &Apache::loncommon::content_type($r,'text/html');
3802: $r->send_http_header;
3803: # Unable to give feedback
3804: &Apache::lonenc::check_encrypt(\$feedurl);
3805: &no_redirect_back($r,$feedurl);
3806: return OK;
3807: }
3808: # --------------------------------------------------- Print login screen header
3809: unless ($env{'form.sendit'}) {
3810: &Apache::lonenc::check_encrypt(\$feedurl);
3811: &Apache::loncommon::content_type($r,'text/html');
3812: $r->send_http_header;
3813: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3814: my ($blocked,$blocktext) =
3815: &Apache::loncommon::blocking_status('boards');
3816: if ($blocked) {
3817: $r->print(&blocked_reply_or_edit($blocktext));
3818: return OK;
3819: }
3820: }
3821: my $options=&screen_header($feedurl,$symb);
3822: if ($options) {
3823: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3824: } else {
3825: &fail_redirect($r,$feedurl);
3826: }
3827: return OK;
3828: }
3829:
3830: # Get previous user input
3831: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3832: $symb,$env{'user.name'},$env{'user.domain'},
3833: $env{'request.course.id'});
3834:
3835: # Get output from resource
3836: &Apache::lonenc::check_encrypt(\$feedurl);
3837: my $usersaw=&resource_output($feedurl);
3838:
3839: # Get resource answer (need to allow student to view grades for this to work)
3840: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3841: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3842: my $useranswer=
3843: &Apache::loncommon::get_student_answers(
3844: $usersymb,$env{'user.name'},$env{'user.domain'},
3845: $env{'request.course.id'});
3846: &Apache::lonnet::delenv('allowed.vgr');
3847: # Get attachments, if any, and not too large
3848: my $attachmenturl='';
3849: my $toolarge='';
3850: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3851: ($env{'form.replydisc'})) {
3852: my ($symb,$idx);
3853: if ($env{'form.replydisc'}) {
3854: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3855: } elsif ($env{'form.editdisc'}) {
3856: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3857: } elsif ($env{'form.origpage'}) {
3858: $symb = $env{'form.symb'};
3859: }
3860: &Apache::lonenc::check_decrypt(\$symb);
3861: my @currnewattach = ();
3862: my @deloldattach = ();
3863: my @keepold = ();
3864: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3865: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3866: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3867: } elsif ($env{'form.attachment.filename'}) {
3868: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3869: my $now = time;
3870: my $subdir = 'feedback/'.$now;
3871: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3872: } else {
3873: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3874: }
3875: }
3876: # Filter HTML out of message (could be nasty)
3877: my $message=&clear_out_html($env{'form.comment'});
3878:
3879: # Assemble email
3880: my ($email,$citations)=&assemble_email($message,$prevattempts,
3881: $usersaw,$useranswer);
3882:
3883: # Who gets this?
3884: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3885:
3886: # Actually send mail
3887: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3888: undef,1),
3889: $feedurl,$email,$citations,
3890: $attachmenturl,$usersymb,%to);
3891:
3892: # Discussion? Store that.
3893: my $numpost=0;
3894: if ( ($env{'form.discuss'} ne ''
3895: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3896: || $env{'form.anondiscuss'} ne '') {
3897: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3898: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3899: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3900: $subject);
3901: $numpost++;
3902: }
3903:
3904: # Add to blog?
3905:
3906: my $blog='';
3907: if ($env{'form.blog'}) {
3908: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3909: $status.=&Apache::lonrss::addentry($env{'user.name'},
3910: $env{'user.domain'},
3911: 'CourseBlog_'.$env{'request.course.id'},
3912: $subject,$message,$feedurl,'public');
3913: if (&Apache::loncommon::course_type() eq 'Community') {
3914: $blog='<br />'.&mt('Added to my community blog').'<br />';
3915: } else {
3916: $blog='<br />'.&mt('Added to my course blog').'<br />';
3917: }
3918: }
3919:
3920: # Receipt screen and redirect back to where came from
3921: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3922: }
3923: return OK;
3924: }
3925:
3926: sub blocked_reply_or_edit {
3927: my ($blocktext) = @_;
3928: return
3929: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3930: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3931: &mt('Back to previous page').
3932: &Apache::loncommon::end_page();
3933: }
3934:
3935: sub wrap_symb {
3936: my ($ressymb)=@_;
3937: if ($ressymb =~ /bulletin___\d+___/) {
3938: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3939: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3940: }
3941: }
3942: return $ressymb;
3943: }
3944: sub dewrapper {
3945: my ($feedurl)=@_;
3946: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3947: $$feedurl=~s|^/adm/wrapper||;
3948: }
3949: }
3950:
3951: sub get_feedurl {
3952: my ($symb)=@_;
3953: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3954: my $feedurl = &Apache::lonnet::clutter($url);
3955: &dewrapper(\$feedurl);
3956: return $feedurl;
3957: }
3958:
3959: sub get_feedurl_and_clean_symb {
3960: my ($symb)=@_;
3961: &Apache::lonenc::check_decrypt(\$symb);
3962: # backward compatibility (bulletin boards used to be 'wrapped')
3963: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3964: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3965: }
3966: my $feedurl = &get_feedurl($symb);
3967: return ($symb,$feedurl);
3968: }
3969:
3970: sub editing_allowed {
3971: my ($postid,$group) = @_;
3972: $postid = &unescape($postid);
3973: my $can_edit = 0;
3974: if ($group ne '') {
3975: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3976: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3977: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3978: if (&check_group_priv($group,'egp') eq 'ok') {
3979: $can_edit = 1;
3980: }
3981: return $can_edit;
3982: }
3983: }
3984: my $cid = $env{'request.course.id'};
3985: my $role = (split(/\./,$env{'request.role'}))[0];
3986: my $section = $env{'request.course.sec'};
3987: my $allow_editing_config =
3988: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3989: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3990: $can_edit = 1;
3991: } else {
3992: foreach my $editor (split(/,/,$allow_editing_config)) {
3993: my ($editor_role,$editor_sec) = split(/:/,$editor);
3994: if ($editor_role eq $role
3995: && defined($editor_sec)
3996: && defined($section)
3997: && $editor_sec eq $section) {
3998: $can_edit = 1;
3999: last;
4000: }
4001: if ($editor_role eq $role
4002: && !defined($editor_sec)) {
4003: $can_edit = 1;
4004: }
4005: }
4006: }
4007: return $can_edit;
4008: }
4009:
4010: sub check_group_priv {
4011: my ($group,$grp_priv) = @_;
4012: foreach my $priv ('mdg','vcg') {
4013: my $checkcourse = $env{'request.course.id'}.
4014: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4015: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4016: return 'ok';
4017: }
4018: }
4019: if ($grp_priv && $group ne '') {
4020: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4021: return 'ok';
4022: }
4023: }
4024: return '';
4025: }
4026:
4027: sub group_args {
4028: my ($group) = @_;
4029: if ($group eq '') { return ''; }
4030: my $extra_args = '&group='.$group;
4031: if (exists($env{'form.ref'})) {
4032: $extra_args .= '&ref='.$env{'form.ref'};
4033: }
4034: return $extra_args;
4035: }
4036:
4037: sub get_resource_title {
4038: my ($symb,$feedurl) = @_;
4039: my ($restitle,$plainurl);
4040: if (defined($symb)) {
4041: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4042: $restitle = &Apache::lonnet::gettitle($plain_symb);
4043: }
4044: if (defined($feedurl)) {
4045: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4046: }
4047: if (!defined($restitle)) {
4048: if (defined($feedurl)) {
4049: $restitle = &Apache::lonnet::gettitle($plainurl);
4050: }
4051: }
4052: if ($plainurl ne $feedurl) {
4053: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4054: if ($plain_filename eq $restitle) {
4055: $restitle = &mt('Untitled resource');
4056: }
4057: }
4058: if ($restitle eq '') {
4059: $restitle = &mt('Untitled resource');
4060: }
4061: return $restitle;
4062: }
4063:
4064: 1;
4065: __END__
4066:
4067:
4068: =pod
4069:
4070: =head1 NAME
4071:
4072: Apache::lonfeedback.pm
4073:
4074: =head1 SYNOPSIS
4075:
4076: Handles feedback from students to instructors and system administrators.
4077:
4078: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4079:
4080: Used by lonmsg.pm.
4081:
4082: This is part of the LearningOnline Network with CAPA project
4083: described at http://www.lon-capa.org.
4084:
4085: =head1 OVERVIEW
4086:
4087: None
4088:
4089: =head1 SUBROUTINES
4090:
4091: =over
4092:
4093: =item discussion_open()
4094:
4095: =item discussion_visible()
4096:
4097: =item list_discussion()
4098:
4099: =item send_feedback_link()
4100:
4101: =item send_message_link()
4102:
4103: =item action_links_bar()
4104:
4105: =item postingform_display()
4106:
4107: =item build_posting_display
4108:
4109: =item filter_regexp()
4110:
4111: =item get_post_contents()
4112:
4113: =item replicate_attachments()
4114:
4115: =item mail_screen()
4116:
4117: =item print_display_options()
4118:
4119: =item print_sortfilter_options()
4120:
4121: =item print_showposters()
4122:
4123: =item get_post_versions()
4124:
4125: =item get_post_attachments()
4126:
4127: =item fail_redirect()
4128:
4129: =item redirect_back()
4130:
4131: =item no_redirect_back()
4132:
4133: =item screen_header()
4134:
4135: =item resource_output()
4136:
4137: =item clear_out_html()
4138:
4139: =item assemble_email()
4140:
4141: =item feedback_available()
4142:
4143: =item send_msg()
4144:
4145: =item adddiscuss()
4146:
4147: =item get_discussion_info()
4148:
4149: =item show_preview()
4150:
4151: =item newline_to_br()
4152:
4153: =item tidy_html()
4154:
4155: =item generate_preview_button()
4156:
4157: =item modify_attachments()
4158:
4159: =item process_attachments()
4160:
4161: =item generate_attachments_button()
4162:
4163: =item extract_attachments()
4164:
4165: =item construct_attachmenturl()
4166:
4167: =item add_blog_checkbox()
4168:
4169: =item has_discussion()
4170:
4171: =item sort_filter_names()
4172:
4173: =item handler()
4174:
4175: =item blocked_reply_or_edit()
4176:
4177: =item wrap_symb()
4178:
4179: =item dewrapper()
4180:
4181: =item get_feedurl()
4182:
4183: =item get_feedurl_and_clean_symb()
4184:
4185: =item editing_allowed()
4186:
4187: =item check_group_priv()
4188:
4189: =item group_args()
4190:
4191: =item get_resource_title()
4192:
4193: =back
4194:
4195: =cut
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